A method for summarizing content of an electronic apparatus, the method comprising: displaying a first portion (700, 900) of content on a display; receiving a first touch input (505, 515, 525) for summarizing non-displayed portions of the content on the display while the first portion of the content is being displayed; in response to the receiving of the first touch input, determining, from among the upper area, lower area, right area, and left area of the display, first area of the display corresponding to a position where the first touch input is received on the display, and determining, from among a plurality of different non-displayed portions of the content, a first non-displayed portion (510, 520, 530) of the content corresponding to the determined first area, wherein the first non-displayed portion of the content is in a same direction as the determined first area with respect to a center of the display; identifying a type of the content by analyzing at least one of text and an image included in the content; obtaining summarization information (710, 720, 910) related to the first non-displayed portion of the content according to the identified type of the content, wherein the summarization information comprises different objects according to the theidentified type of the content; displaying the summarization information related to first non-displayed portion of content along with the first portion of the content, wherein the summarization information is displayed on an area corresponding to the position where the user input is received on the display, receiving a second touch input on a portion of the summarization information while the summarization information is displayed on the display along with the first portion of the content; in response to the second touch input, displaying on the display at least a part of the first non-displayed portion of the content corresponding to a part of the summarized content at which the second touch input was received, wherein the previously displayed first portion of the content is replaced by the displaying of the at least a part of the first non-displayed portion of the content on the display, wherein an amount of the at least a part of the first non-displayed portion of the content is greater than an amount of the summarization information; and additionally in response to the second touch input, generating new summarization information related to the first non-displayed portion of the content and displaying the new summarization information on the display. displaying a first portion (700, 900) of content on a display; receiving a first touch input (505, 515, 525) for summarizing non-displayed portions of the content on the display while the first portion of the content is being displayed; in response to the receiving of the first touch input, determining, from among the upper area, lower area, right area, and left area of the display, first area of the display corresponding to a position where the first touch input is received on the display, and determining, from among a plurality of different non-displayed portions of the content, a first non-displayed portion (510, 520, 530) of the content corresponding to the determined first area, wherein the first non-displayed portion of the content is in a same direction as the determined first area with respect to a center of the display; identifying a type of the content by analyzing at least one of text and an image included in the content; obtaining summarization information (710, 720, 910) related to the first non-displayed portion of the content according to the identified type of the content, wherein the summarization information comprises different objects according to the theidentified type of the content; displaying the summarization information related to first non-displayed portion of content along with the first portion of the content, wherein the summarization information is displayed on an area corresponding to the position where the user input is received on the display, receiving a second touch input on a portion of the summarization information while the summarization information is displayed on the display along with the first portion of the content; in response to the second touch input, displaying on the display at least a part of the first non-displayed portion of the content corresponding to a part of the summarized content at which the second touch input was received, wherein the previously displayed first portion of the content is replaced by the displaying of the at least a part of the first non-displayed portion of the content on the display, wherein an amount of the at least a part of the first non-displayed portion of the content is greater than an amount of the summarization information; and additionally in response to the second touch input, generating new summarization information related to the first non-displayed portion of the content and displaying the new summarization information on the display.