Within a social network, a user may establish a set of contacts who share with the user various content items and comments related thereto. However, these content items are often hosted by a content source outside of the social network, and the user may have to transition to the content source to view the content item, and then transition back to the social network to submit a comment. Instead, a device may monitor the social network to record shared content items. When the user requests a presentation of the content source, the content items hosted by the content source that have been shared with the user may be included in the presentation. The presentation of the content source may also accept comments from the user regarding a content item, and send the comments to the social network where the content item was shared with the user.