Facebook has been the leader in social networking and has taken over Orkut in terms of users with 200 million registered no. of users .
In Marketing itself Facebook has been the leader because no user on Facebook ever gets to know who had visited that user profile, wherein on Orkut the name of recent visitors is displayed on that particular user profile.
It is one of the prominent factors which has been the part of Facebook marketing strategy and has been able to take over Orkut in terms of content, and many other feature:SugarwareZ-108:s better than Orkut[/FONT[/SIZE]]