Characterization of friendfeed - a web-based social aggregation service

Many Web users have accounts with multiple different social networking services. This scenario has prompted develop-ment of “social aggregation ” services such as FriendFeed that aggregate the information available through various services. Using five weeks of activity of more than 100,000 Friend-Feed users, we consider questions such as what types of ser-vices users aggregate content from, the relative popularity of services, who follows the aggregated content feeds, and why