Patent ID: 8170003

Claim:
A content recommendation system comprising: a first portable communication device adapted to be carried by a first user; and a second portable communication device adapted to be carried by a second user, wherein the first portable communication device and the second portable communication device are within communication range of each other and are connected to each other wirelessly without using an access point, and content recommendation information is transmitted and received between the first portable communication device and the second portable communication device, wherein the content recommendation information enables the second user to determine whether further information concerning the at least one of audio, image, book, traffic, or map content data is desired, and wherein the content recommendation information comprises a user-generated textual comment concerning the at least one of audio, image, book, traffic, or map content data; the first portable communication device comprises: storage means which stores pieces of content recommendation information to be transmitted, selecting means which accesses user preference information associated with the second portable communication device, the user preference information comprising at least one alphabetic preference keyword, and selects, based at least in part on the user preference information associated with the second portable communication device, a piece of content recommendation information to be transmitted to the second portable communication device, from among the pieces of content recommendation information stored in the storage means, the piece of content recommendation information matching the at least one alphabetic preference keyword, and transmitting means which transmits the piece of content recommendation information selected by the selecting means to the second portable communication device; and the second portable communication device comprises: receiving means which receives the piece of content recommendation information transmitted from the first portable communication device, and storage means which stores the piece of content recommendation information received by the receiving means.