Abstract:
There is provided a method of selling in a shopping mall server. The method includes: displaying at least one sale content as sale information of a product selected to be sold; displaying a interested sale content selected by consumer among the sale contents; performing a payment transaction via a payment system when the selected product is determined to be purchased.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims the priority of Korean Patent Application No. 10-2006-0124800 filed on Dec. 8, 2006, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference. 
         [0002]    This work was supported by the IT R&amp;D program of MIC/IITA[2006-S068-01, Development of Virtual Home Platform based on Peer-to-Peer Networking]. 
       BACKGROUND OF THE INVENTION 
       [0003]    1. Field of the Invention 
         [0004]    The present invention relates to an Internet sale method, and more particularly, to an Internet sale method and apparatus using sale content, in which an Internet shopping mall uses a product review written in a personal homepage as sale information. 
         [0005]    2. Description of the Related Art 
         [0006]    In general, when a product is posted on an Internet shopping mall, consumers may read a brief description or optional extras of a product, may buy the product via a payment system, and may write a brief product review with respect to the product in the shopping mall server. 
         [0007]    Accordingly, it is difficult to access a detailed description for the product or various opinions of consumers previously buying the product, via the description for the product or the product review posted on the shopping mall server. 
         [0008]    Also, in general shopping mall servers, a right of a shopping mall server seller is definitely distinguished from a right of a consumer and a general consumer is not allowed to sell a product. Accordingly, a consumer wants to be a seller, the consumer administrate own shopping mall or has to be approved of a right of seller by shopping mall servers. 
         [0009]    On the other hand, currently, consumers not only are satisfied with simply buying a product but also writes detailed product information and a product review with respect to a product that consumers buy in personal blogs, mini-homepages, and homepages of cafes and clubs (hereinafter, referred to as “personal homepage”) in public. 
         [0010]    However, a content written in a personal homepage as described above may not be accepted nor be protected as a content and may not create additional profits with respect to an effort. 
       SUMMARY OF THE INVENTION 
       [0011]    An aspect of the present invention provides an Internet shopping mall and a method of service using P2P technologies and personal homepages, in which a content written on a personal homepage is accepted as content, thereby generating profits with respect to the content. 
         [0012]    According to an aspect of the present invention, there is provided a method of registering sale content of a shopping mall server, the method including: collecting and analyzing product code advertisements and obtaining and storing a product code for each product; writing a product review with respect to one of the product codes in a personal homepage; and publishing a sale content advertisement with respect to the product review to a P2P network. 
         [0013]    According to an aspect of the present invention, there is provided a method of registering sale content of a shopping mall server, the method including: obtaining a product code of a product for sale; periodically collecting and analyzing sale content advertisements corresponding to the product by searching A P2P network and obtaining sale contents including a product review of the product; and inserting the sale contents as sale information in a product sale page for selling the product. 
         [0014]    According to another aspect of the present invention, there is provided a method of registering sale content of a shopping mall server, the method including: registering a product for sale, in sale content administration server and receiving a product code of the product; accessing the sale content administration server via Internet networks to obtain sale contents provide by the sale content administration server; and inserting the sale contents as sale information in a product review page for selling the product. 
         [0015]    According to an aspect of the present invention, there is provided a method of providing sale content of sale content administration server, the method including: issuing a product code of a product according to a request of at least one shopping mall server and publishing a product code advertisement including the product code; collecting and analyzing sale content advertisements and obtaining and storing sale contents corresponding to the product code; and obtaining and providing the sale contents corresponding to the product code according to a request of the shopping mall server. 
         [0016]    According to an aspect of the present invention, there is provided a method of selling in a shopping mall server, the method including: displaying at least one sale content as sale information of a product selected to be sold; displaying a interested sale content selected by consumer among the sale contents; performing a payment transaction via a payment system when the selected product is determined to be purchased. 
         [0017]    According to an aspect of the present invention, there is provided a method of shopping using a P2P application, the method including: collecting and analyzing product code advertisements to display a list of advertised products; collecting sale content advertisements with respect to a product when the product is selected from the list of advertised products; obtaining and displaying product reviews, uniform resource locators of product sale pages, and prices information, corresponding to the product by analyzing the collected sale content advertisement and price advertisements; and moving to a product review page having a uniform resource locator when the uniform resource locator is selected from the uniform resource locators. 
         [0018]    According to another aspect of the present invention, there is provided a shopping mall server including: a P2P application part publishing a product code advertisement of a product for sale, in A P2P network and obtaining sale contents by collecting and analyzing sale content advertisements corresponding to the product; and a shopping mall administration part administering an Internet shopping mall for selling the product and using the sale contents obtained by the P2P application part as sale information of the product. 
         [0019]    According to another aspect of the present invention, there is provided a user terminal including: a personal homepage administration part writing and registering the product review for a product code advertisement published by shopping mall server in the personal homepage as a sale content; and a P2P application part publishing a sale content advertisement with respect to the sale content. 
         [0020]    According to another aspect of the present invention, there is provided sale content administration server including: a product code administration part issuing a product code of a product according to a request of at least one shopping mall server and publishing product code advertisements including the product code; sale content administration part collecting and analyzing sale content advertisement by searching a P2P network and obtaining and storing sale content corresponding to the product code; sale content providing part obtaining and providing the sale content corresponding to the product code according to the request of the shopping mall server; a P2P communication part interfacing data transmitted and received between the sale content administration part and the P2P network; and an Internet communication part interfacing data transmitted and received between the sale content providing part and the shopping mall server. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0021]    The above and other aspects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which: 
           [0022]      FIG. 1  is a block diagram illustrating a P2P shopping system using a personal homepage, according to an exemplary embodiment of the present invention; 
           [0023]      FIG. 2  is a detailed configuration diagram illustrating a first shopping mall server according to an exemplary embodiment of the present invention; 
           [0024]      FIG. 3  is a detailed configuration diagram illustrating a first user terminal according to an exemplary embodiment of the present invention; 
           [0025]      FIG. 4  is a detailed configuration diagram illustrating sale content administration server an exemplary embodiment of the present invention; 
           [0026]      FIG. 5  is a detailed configuration diagram illustrating an administration peer an exemplary embodiment of the present invention; 
           [0027]      FIG. 6  is a diagram illustrating a plurality of user terminals and shopping mall servers to describe advertisement and collection methods thereof, according to an exemplary embodiment of the present invention; 
           [0028]      FIG. 7A  is a flowchart illustrating a process of advertising sale content of a user terminal, according to an exemplary embodiment of the present invention; 
           [0029]      FIG. 7B  is a flowchart illustrating a process of advertising a product and a price and registering sale content in a shopping mall server, according to an exemplary embodiment of the present invention; 
           [0030]      FIG. 8A  is a flowchart illustrating a process of collecting and providing sale content in sale content administration server, according to an exemplary embodiment of the present invention; 
           [0031]      FIG. 8B  is a flowchart illustrating a process of advertising a product and a price and registering sale content in a shopping mall server, according to an exemplary embodiment of the present invention; 
           [0032]      FIG. 9  is a flowchart illustrating a sale operation of a shopping mall server, according to an exemplary embodiment of the present invention; 
           [0033]      FIG. 10  is a flowchart illustrating a sale operation using a P2P application, according to an exemplary embodiment of the present invention; and 
           [0034]      FIG. 11  is a diagram illustrating a product review of a personal homepage and price information of a shopping mall server, according to an exemplary embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0035]    Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Only, In describing operations according to an exemplary embodiment of the present invention in detail, when a detailed description for well-known related functions and configurations is determined to be capable of making the substance of the present invention be unclear, the detailed description will be omitted. 
         [0036]    Also, over the drawings, a part having a similar function and similarly operating will be received an identical reference numeral. 
         [0037]      FIG. 1  is a block diagram illustrating a P2P shopping system using a personal homepage, according to an exemplary embodiment of the present invention. 
         [0038]    As shown in  FIG. 1 , the P2P shopping system includes a plurality of shopping mall servers  11  to  1 N, a plurality of user terminals  21  to  2 M, a sale content administration server  30 , an administration peer  40 , super peers  51  to  5 K, a plurality of web portal servers  61  to  6 K, a plurality of consumer terminals  71  to  7 L, a P2P network  81 , and an Internet network  82 . 
         [0039]    In this case, there are the shopping mall servers  11  to  1 N, the user terminals  21  to  2 M, the sale content administration server  30 , the administration peer  40 , and the super peers  51  to  5 K, as a terminal performing P2P communication. 
         [0040]    Hereinafter, “advertisements” indicates advertisements for resources in the P2P communication network. 
         [0041]    Each of the plurality of shopping mall servers  11  to  1 N administrates an Internet shopping mall, publishes product code advertisements for a product for sale directly or via the sale content administration server  30 , obtains sale content by collecting and analyzing sale content advertisement, and uses the sale content as sale information of a corresponding product. 
         [0042]    In this case, the sale content includes a product code, writer information, a uniform resource locator (URL) of a product review page, and a product review. 
         [0043]    In this case, a uniform resource locator (URL) means the location of web based content and P2P based content. 
         [0044]    Namely, as the sale information of a product in an Internet shopping mall, one of a product review written in a personal homepage, and a URL of a product review page of a personal homepage including the product review is added in addition to product description, price, and product reviews written by consumers accessing Internet network. 
         [0045]    Here, the product review could be configured as various forms such as text, photograph and a user created movie clip. 
         [0046]    Therefore, consumers may read the product review written as the sale content for corresponding product or move to the product review page of the personal homepage in order to read the product review of corresponding product, thereby obtaining more detailed product information. 
         [0047]    Each of the plurality of user terminals  21  to  2 M access a personal homepage provided by the web portal servers  61  to  6 K, make a product review page including a product review of a certain product, and then publish a sale content advertisement with respect to the product review page on the P2P network  81 . 
         [0048]    Also, the plurality of user terminals  21  to  2 M collect, analyze, and display product code advertisements, sale content advertisements, and price advertisements, thereby supporting users to buy the product by using them. 
         [0049]    Some user terminals may perform only an operation of publishing the sale content advertisement or only an operation of shopping using a P2P application. 
         [0050]    The sale content administration server  30  issues a product code and generates and publishes product code advertisements with respect to the product code on the P2P network  81 , when each of the shopping mall servers  11  to  1 N registers a new product. Also, the sale content administration server  30  obtains sale content for each product by collecting and analyzing sale content advertisement published by the plurality of user terminals  21  to  2 M and provides sale content with respect to a product when a certain shopping mall server requests the sale content. 
         [0051]    The administration peer  40  includes a P2P application to provide to the plurality of user terminals  21  to  2 N. When the plurality of user terminals  21  to  2 N drive the P2P application, the administration peer  40  performs a user authentication operation. When the user authentication operation is successively performed and the P2P application is activated, information is shared among the plurality of user terminals  21  to  2 M. 
         [0052]    The super peers  51  to  5 K connect all of the plurality of user terminals  21  to  2 N and servers  11  to  1 N,  30 ,  40 , and consumer terminals  71  to  7 L with each other and interfaces messages transmitted and received therebetween, thereby forming a P2P network, and managed by the system operator. 
         [0053]    The web portal servers  61  to  6 K support various personal homepages such as mini-homepages, cafes, and club home pages to be open and administrated. For example, as the web portal servers  61  to  6 K, there are, yahoo, msn and google. 
         [0054]    The plurality of consumer terminals  71  to  7 L access a desired shopping mall server  11  via the Internet network  70 , select an interested product, read sale information of the interested product, and buy the product. 
         [0055]    The P2P network  81  connects servers and terminals communicating with each other P2P, and the Internet network  82  connects servers and terminals communicating with each other client to server. Accordingly, the plurality of shopping mall servers  11  to  1 N, the plurality of user terminals  21  to  2 M, the sale content administration server  30 , the administration peer  40 , the super peers  51  to  5 K and the plurality of consumer terminals  71  to  7 L are connected to each other via the P2P network  81 . The plurality of user terminals  21  to  2 M are connected to the plurality of web portal servers  61  to  6 K and the plurality of shopping mall servers  11  to  1 N, the sale content administration server  30 , and the plurality of consumer terminals  71  to  7 L are connected to each other via the Internet network  82 . 
         [0056]      FIG. 2  is a detailed configuration diagram illustrating the first shopping mall server  11  according to an exemplary embodiment of the present invention. 
         [0057]    As shown in  FIG. 2 , the first shopping mall server  11  includes a P2P application part  120 , sale content Internet administration part  130 , a shopping mall administration part  140 , and an Internet communication part  150 . The P2P application part  120  includes a product and price advertisement unit  121 , sale content P2P administration unit  122 , a P2P application driving unit  123 , and a P2P communication unit  124 . 
         [0058]    The product and price advertisement unit  121  generates and publishes one of product code advertisements for a certain product and price advertisements for certain sale content on the P2P network  81  under the control of the P2P application driving unit  123 . In this case, the product code advertisements include product code information of a corresponding product and the price advertisements include a URL and price information of a product sale page using the certain sale content as sale information. 
         [0059]    The sale content P2P administration unit  122  collects and analyzes sale content advertisements for a certain product, extracts sale content including a product code, writer information, a URL of a product review page, and a product review and classifies the sale content for each product, under the control of the P2P application driving unit  123 . 
         [0060]    The P2P application driving unit  123  installs a P2P application to allow an administrator of the shopping mall server  11  to request an advertisement operation of a certain product, to search sale contents for the certain product, selects one of a URL of a product review page and a product review used for sale information, and request price advertisements for a certain sale content. 
         [0061]    The P2P communication unit  124  interfaces all messages and data transmitted and received between the P2P application part  120  and the P2P network  81 . 
         [0062]    When the shopping mall server  11  requests sale content for a certain product on the P2P network  81  directly, the sale content P2P administration unit  122  allows to search and collect and analyze sale content advertisements for a certain product through the P2P network  81 . 
         [0063]    The sale content Internet administration part  130  accesses the sale content administration server  30  connected to the Internet network  82  and receives and stores sale contents for a certain product, under the control of the shopping mall administration part  140 . 
         [0064]    The shopping mall administration part  140  includes a webpage of an Internet shopping mall, in which one of a URL of a product review page and a product review included in sale content is used for sale information of the product in addition to a product description for the product and price information, and controls general administration of the webpage. 
         [0065]    Also, the shopping mall administration part  140  determines whether to execute a point system for each sale content, provides a sale margin to a writer of sale content corresponding to the point system by considering sales of a product and points given by consumers, and provides a certain sale margin a writer regardless of points. Namely, sale content writer is allowed to receive a profit with respect to the sale content. 
         [0066]    Internet communication part  150  interfaces messages and data transmitted and received between the shopping mall administration part  140 , the sale content Internet administration part  130 , and the Internet network  82 . 
         [0067]      FIG. 3  is a detailed configuration diagram illustrating a first user terminal  21  according to an exemplary embodiment of the present invention. 
         [0068]    As shown in  FIG. 3 , the first user terminal  21  includes a P2P application part  220 , a personal homepage administration part  230 , and an Internet communication part  240 . The P2P application part  220  includes sale content advertisement unit  221 , an advertisement administration unit  222 , a P2P application driving unit  223 , and a P2P communication unit  224 . 
         [0069]    When the personal homepage administration part  230  requests a registration of sale content, the sale content advertisement unit  221  generates and publishes the sale content advertisement by attaching a product code, a URL of a product review page, and writer information, on the P2P network  81 . 
         [0070]    The advertisement administration unit  222  makes one of a product sale list including product codes advertised to the plurality of shopping mall servers  11  to  1 N by collecting and analyzing product code advertisements after searching the P2P network  81  and a price list including a URL and price information of a product sale page in which own sale contents are used for sale information by collecting and analyzing price advertisements, under the control of the P2P application driving unit  223 . Also, to support a shopping operation of a P2P application, the advertisement administration unit  222  may make a sale information list including a product review for a certain product, a URL of a product sale page, and price information by collecting and analyzing all sale content advertisements and price advertisements for the certain product. 
         [0071]    The P2P application driving unit  223  installs the P2P application and controls operations of the advertisement administration unit  221  according to a request of a user of the user terminal  21 . Also, the P2P application driving unit  223  displays one of a product sale list, a price list, and a sale information list obtained according to a result of control, on a user interface to allow the user to perform one of sale content advertisement operation and the shopping operation using the P2P application. 
         [0072]    The P2P communication unit  224  interfaces all messages and data transmitted between the P2P application part  220  and the P2P network  81 . 
         [0073]    The personal homepage administration part  230  registers a product review for a certain product written in a personal homepage provided by the plurality of web portal servers  61  to  6 K, as sale content. Also, the personal homepage administration part  230  may determine whether to attach a URL and price information of a product sale page provided by a shopping mall server using own sale content as sale information and attach the URL and price information of the product review page to a bottom of a product review page, as shown in B of  FIG. 11 . 
         [0074]    Also, the personal homepage administration part  230  registers the product review of a product. The personal homepage administration part  230  let the user who created the product review store them in the user terminal and share it to the P2P network  81  or upload them to a web portal server and link them with URL. 
         [0075]    The Internet communication part  240  interfaces data transmitted and received between the personal homepage administration part  230  and the Internet network  82 . 
         [0076]      FIG. 4  is a detailed configuration diagram illustrating the sale content administration server  30  according to an exemplary embodiment of the present invention. 
         [0077]    As shown in  FIG. 4 , the sale content administration server  30  includes a P2P communication part  310 , a sale content administration part  320 , a sale content providing part  330 , an Internet communication part  340 , and a product code administration part  350 . 
         [0078]    The P2P communication part  310  interfaces all messages and data transmitted and received between the sale content administration part  320 , the product code administration part  350 , and the P2P network  81 . 
         [0079]    The sale content administration part  320  collects and analyzes all sale content advertisements published by the P2P network  81  by searching the P2P network  81 , extracts sale contents, and classifies the sale contents for each product. 
         [0080]    When the shopping mall server  11  accesses via the Internet network  82  and requests sale content for a certain product, the sale content providing part  330  obtains and provides the sale contents corresponding to the certain product to the shopping mall server  11  by searching the sale content administration part  320 . 
         [0081]    The Internet communication part  340  interfaces data transmitted and received between the sale content providing part  330  and the Internet network  82 . 
         [0082]    When the plurality of shopping mall servers  11  to  1 N register a new product in the sale content administration server  30  and receives a product code, the product code administration part  350  generates and publishes product code advertisements on the P2P network  81 . 
         [0083]      FIG. 5  is a detailed configuration diagram illustrating the administration peer  40  according to an exemplary embodiment of the present invention. 
         [0084]    As shown in  FIG. 5 , the administration peer  40  includes a P2P application providing part  410 , a peer authentication part  420 , a peer administration part  430 , and a P2P communication part  440 , and an Internet communication part  450 . 
         [0085]    The P2P application providing part  410  includes a P2P application and distributes the P2P application to the plurality of user terminals  21  to  2 M requiring the P2P application. 
         [0086]    The peer authentication part  420  includes login information of users authorized to use the P2P application. When the user terminal  21  drives a P2P program and inputs login information, the peer authentication part  420  performs an authentication operation and determines whether to activate the P2P application according to a result of the authentication operation. 
         [0087]    The peer administration part  430  allows information of the user terminals  21  to  2 M whose P2P application is activated, to be shared therebetween. 
         [0088]    The P2P communication part  440  interfaces messages and data transmitted and received between the P2P application providing part  410 , the peer authentication part  420 , the peer administration part  430 , and the plurality of user terminals  21  to  2 M. 
         [0089]    The Internet communication part  450  allows the users to download P2P application and to register themselves to the system. 
         [0090]    Though the sale content administration server  30  is separated from the administration peer  40  in the above embodiment, if need be, the administration peer  40  may include the elements shown in  FIG. 4  and may perform not only authentication services but also a sale content providing operation of the sale content administration server  30 . 
         [0091]      FIG. 6  is a diagram illustrating the plurality of user terminals  21  to  24  and the shopping mall servers  11  to  13  to describe advertisement and collection methods thereof, according to an exemplary embodiment of the present invention. 
         [0092]    In  FIG. 6 , Cx-y indicates a URL of a yth product review page including a product review for a Cx product and Px-z indicates a price of the Cx product in a zth shopping mall server, respectively. 
         [0093]    When the first user terminal  21  advertises sale contents including product reviews Ca- 1 , Cb- 1 , and Cc- 1 , a second user terminal  21  advertises sale contents including product reviews Ca- 2 , Cc- 2 , Cd- 2 , and Ce- 2 , a third user terminal  23  includes sale contents including product reviews Cb- 3  and Cd- 3 , respectively, the sale content administration server  30  stores sale contents for each product by searching and collecting all sale contents. 
         [0094]    Then, each of the first to third shopping mall servers  11  to  13  collects the sale contents itself via the sale content P2P administration unit  122  or receives the sale contents for each product from the sale content administration server  30  to use as own sale information. For example, the first shopping mall server  11  may use the product reviews Ca- 1  and Ca- 2  as sale information for the Ca product. 
         [0095]    Also, the respective shopping mall servers  11 ,  12 , and  13  publishes price advertisements with respect to the user terminals  21 ,  22 , and  23  advertising the sale contents used as the sale information, and the corresponding user terminals  21 ,  22 , and  23  determines whether to show a URL and price information of an Internet shopping mall selling a corresponding product in a personal homepage. For example, price information Pa- 1  and Pa- 2  of the first and second shopping mall servers  11  and  12  may be shown in the product review of the Ca- 1  as the first user terminal  21  or may not shown as the second user terminal  23 . 
         [0096]    Then, consumers may determine whether to buy a product after accessing the first shopping mall server  11  or the personal homepage via the Internet network  82  and reading product reviews of the product. 
         [0097]    Also, as a fourth user terminal  24 , a certain product may be bought after collecting product reviews and price information of all products by using the P2P application. A shopping operation may be performed by using the P2P application. 
         [0098]      FIGS. 7A and 7B  are flowcharts illustrating sale content advertisement and registration operations according to an exemplary embodiment of the present invention.  FIG. 7A  is a flowchart illustrating operations of the user terminal  21 , and  FIG. 7B  is a flowchart illustrating operations of the shopping mall server  11 . 
         [0099]    Referring to  FIG. 7A , a process of a sale content advertisement of the user terminal  21  will be described. 
         [0100]    The user terminal  21  searches product code advertisements published by the sale content administration server  30  via the P2P network in operation S 11  and extracts a product code of a product to generate a product list in operation S 12 . 
         [0101]    A user of the user terminal  21  accesses a personal homepage provided by the web portal servers  61  to  6 K and writes a product review for a certain product as shown in A of  FIG. 11  in operation S 13  and register the written product review as sale content after selecting a product code of the product in operation S 14 . 
         [0102]    In this case, when the product code of the product is not stored yet in the user terminal  21 , the user may obtain the product code by directly connecting the sale content administration server  30 . 
         [0103]    The user terminal  21  generates and publishes the sale content advertisement including a URL of a product review page in which a product review is written, the product code, and writer information on the P2P network  81  in operation S 15 . 
         [0104]    When the user want a URL and price information of a product sale page using own sale content as sale information to be shown on the product review page in operation S 16 , price advertisements corresponding to the product are searched and analyzed by using a P2P application in operation S 17 , the URL and price information of the product sale page are obtained in operation S 18 , and the URL and the price information of the product sale page of a shopping mall server are attached to the product review as shown in B of  FIG. 11  in operation S 19 . 
         [0105]    Referring to  FIG. 7B , processes of product and price advertisements and sale content registration of the shopping mall server  11  will be described. 
         [0106]    When there is a new product for sale, the shopping mall server  11  accesses the sale content administration server  30  and searches a product code for the new product in operation S 21 . 
         [0107]    When the product code exists as a result of search in operation S 22 , the product code is obtained in operation S 23 . 
         [0108]    When the product does not exist, the product is registered in the sale content administration server  30  and a product code of the product is issued in operation S 24 . 
         [0109]    The shopping mall server  11  search and collects and analyzes sale content advertisements corresponding to an existing product by searching the P2P network  81  in operation S 25  and extracts sale content including a URL and writer information of a product review page corresponding to the product code in operation S 26 . 
         [0110]    When the sale content administration server provide the content properly without any problem such as traffic problem and the selected sale contents are enough to be used as sale information on the shopping mall in operation S 27 , an administrator of the shopping mall server  11  selects sale content that will be used for sale information in operation S 29 , selects one of linking the URL of the product review page and directly publishing a product review written in the product review page, and publishes selected information on a product sale page in operation S 210 . 
         [0111]    When the sale content administration server has any problem or the selected sale contents are not enough to be used as sale information on the shopping mall in operation S 27 , the administrator of the shopping server  11  searches more sale content on the P2P network directly in operation S 28 . 
         [0112]    When the selected information is successively published on the product sale page selling the product, the shopping mall server  11  publishes price advertisements including price information of the product, a URL of the product review page and the product code on the P2P network  81  in operation S 211 . 
         [0113]    The administrator of the shopping mall server  11  determines whether to execute a point system with respect to the sale content. 
         [0114]    When the point system is determined to be executed in operation S 212 , a sale margin is provided by considering sales of the product and points given to the sale content by consumers in operation S 213 . When the point system is determined not to be executed, a certain amount of a sale margin is provided regardless of point in operation S 214 . 
         [0115]      FIGS. 8A and 8B  are flowcharts illustrating operations of sale content advertisement and registration according to another embodiment of the present invention.  FIG. 8A  is a flowchart illustrating operations of the sale content administration server  30 , and  FIG. 8B  is a flowchart illustrating operations of a shopping mall server. 
         [0116]    Referring to  FIG. 8A , processes of product code administration and collecting and providing sale content in the sale content administration server  30  will be described. 
         [0117]    When the plurality of shopping mall servers  11  register new products, respectively, in operation S 31 , the sale content administration server  30  issues a product code for the new product and publishes a product code advertisement for advertising the product code on the P2P network  81  in operation S 32 . 
         [0118]    The sale content administration server  30  periodically searches the P2P network  81  and collects sale content advertisements published by the plurality of user terminals  21  to  2 M with respect to products with a product code in operation S 33  and classifies and stores sale content information for each product code in operation S 34 . 
         [0119]    In this case, when the shopping mall server  11  access via the Internet network  82  and requests sale content for a certain product code in operation S 35 , the sale content administration server  30  obtains all corresponding sale contents information in operation S 36  and provides the sale contents information to the shopping mall server  11  in operation S 37 . 
         [0120]    Referring to  FIG. 8B , processes of product and price advertisements and sale content administration of the shopping mall server  11  accesses the sale content administration server  30  via the Internet network  82  in operation S 41  and requests sale content for a product code in operation S 42 . 
         [0121]    When the sale content administration server  30  provides the sale content, the shopping mall server  11  receives the sale content in operation S 43 , selects the sale content in operation S 29  of  FIG. 7B  and publishes the sale content on the product sale page to use as sale information. 
         [0122]    Since following operations after S 29  are identical with  FIG. 7B , the description will be omitted. 
         [0123]      FIG. 9  is a flowchart illustrating sale operations of the shopping mall server  11 . 
         [0124]    The shopping mall server  11  displays products for sale via an Internet shopping mall in operation S 51 . 
         [0125]    When a consumer accessing the Internet shopping mall selects an interested product in operation S 52 , sale information of the product is displayed in operation S 53 . In this case, one of a URL of a product review page including sale content and a product review list of the sale content is also published together with a product description, price information, and product review written by consumers. 
         [0126]    When the consumer selects certain sale content in operation S 54 , one of linking to the URL of the product review page and directly displaying a product review of the sale content is performed in operation S 55 . 
         [0127]    After checking whether a point system is executed with respect to the selected sale content in operation S 56 , when the sale content corresponds to the point system, the consumer is allowed to give a point and the point given by the consumer is deposited in operation S 57 . 
         [0128]    When the consumer determines to buy in operation S 58 , the user pays for the product via a payment system to buy the product in operation S 59 . 
         [0129]      FIG. 10  is a flowchart illustrating sale operations using a P2P application. 
         [0130]    When a user of the user terminal  21  activates the P2P application and selects a shopping function in operation S 61 , the user terminal  21  searches and analyzes all product code advertisements by searching the P2P network  81  in operation S 62 , extracts product codes and generates and displays a product sale list including a product code for each product on a user interface of the P2P application in operation S 63 . 
         [0131]    When the user selects a product code of an interested product in operation S 64 , the user terminal  21  searches sale content advertisements and price advertisements for the interested product by searching the P2P network  81  in operation S 65 . A sale information list including a product review for the interested product and a URL and price information of a product sale page is generated by analyzing the sale content advertisement and price advertisements and displayed on the user interface of the P2P application in operation S 66 . 
         [0132]    When the user selects the URL of the product sale page in operation S 67 , the interested product may be bought in a corresponding shopping mall by linking the URL of the product sale page in operation S 68 . 
         [0133]    In  FIG. 10 , if need be, as shown in  FIG. 7B , the point system with respect to the sale content may be executed to allow the user to give a point to the sale content. 
         [0134]    The method and apparatus for Internet sale using sale contents may allow consumers to know more detailed descriptions and opinions and may appreciate and protect a product review written in a personal homepage as sale content to generate a profit thereof. 
         [0135]    While the present invention has been shown and described in connection with the exemplary embodiments, it will be apparent to those skilled in the art that modifications and variations can be made without departing from the spirit and scope of the invention as defined by the appended claims.