18. The method of claim 6 , further comprising: receiving, from the client computing device, a search request, wherein the first content page and the one or more content pages are identified in response to the search request, and wherein the differing opinion data comprises search results.
6. A method of identifying different opinions in network content, the method comprising: generating opinion data regarding a plurality of content pages retrieved from a plurality of content sources, wherein opinion data regarding each content page reflects an opinion in the content page regarding a topic of the content page, and wherein opinion data regarding each content page further reflects a classification of the opinion as one of a positive opinion, a neutral opinion, or a negative opinion regarding the topic of the content page; providing, to a client computing device, a first content page reflecting a first opinion regarding a first topic, wherein the client computing device presents the first content page with a first option to access a content page associated with an opinion regarding the first topic differing in classification from the first opinion; receiving, from the client computing device, data corresponding to activation of the first option; identifying, based at least partly on the opinion data, one or more content pages associated with opinions regarding the first topic, the opinions differing in classification, as one of a positive opinion, a neutral opinion, or a negative opinion, from a classification of the first opinion; providing, to the client computing device, a second content page of the one or more content pages, the second content page associated with a second opinion differing in classification from the first opinion, wherein the client computing device presents a second option to submit feedback regarding at least one of the first opinion or the second opinion; and using the feedback to classify at least one of the first opinion or the second opinion; said method performed in its entirety by a computing system that comprises one or more computing devices.