Followerwonk offers 5 services concernging Twitter: Search Bios, Compare Users, Analyze, Track Followers and Sort Followers. Search Bios helps to find a new talent, customer or just friends. You can choose „search Twitter profiles” or „search Twitter bios only”. In the search box you can write anything. There are also more specific options, such as location, name, URL, as well as the min and max number of following, followers and tweets.