At the end of 2010, a Kik Messenger called the application of less than half a month launched by millions of users. The Kik BaoFaShi growth owes much to new friends recommend mode, it will request after install will users mobile phone address book uploaded to the server, and other user address book is compared, and once found that they exist contact will automatically recommend. The user can very easily to know friends for communication.
Matching address book mode thoroughly subverting the QQ, such as MSN instant communication tools tedious and friends, easy for new application promotion process, soon became the standard model-social application of domestic and foreign Instagram chat meters and even apple their Facetime and iMessage use similar matching method.
