US Patent 10009308 Social content features based on user tracking

Prioritizing online comments on social network web page is disclosed. An activity of a user consuming a content presented on the social network web page is detected. Time spent by the user consuming the content is determined. Responsive to the user entering a comment on the content, a depth of consumption of the content by the user is determined based on the time spent by the user consuming the content. The comment entered by the user is ranked among a plurality of comments entered by one or more of the plurality of users based on the depth of consumption. The comment entered by the user is presented on the social network web page in the order of the ranking.