Social network aggregation is the process of collecting content from multiple social network services into one unified presentation. The task is often performed by a social network aggregator (such as Hootsuite and FriendFeed), which pulls together information into a single location, or helps a user consolidate multiple social networking profiles into one profile. Various aggregation services provide tools or widgets to allow users to consolidate messages, track friends, combine bookmarks, search across multiple social networking sites, read RSS feeds for multiple social networks, see when their name is mentioned on various sites, access their profiles from a single interface, provide "lifestreams", and so on. Social network aggregation services attempt to organize or simplify a user's soc