for now facebook is the best now facebook's ranking = 1 on alexa google look down on number two WAOOO....
Facebook is the best for social networking and also I love twitter because many celebrities are using twitter and I love to follow them.
up to now, there's 3 best social network on my personal point of view. they are: facebook, twitter, and pinterest
Facebook..................... I like Facebook because well settled platform and simple to use...................
Best social networking for sharing life events, chatting with people, reuniting with old friends, making new friends, etc., : Facebook Best social network for sharing minute-to-minute detail and saying your heart out without anyone objecting : twitter
Lot of stress? Nope. Google+ is not a good idea. And facebook isn't putting stress to twitter and google+, as they came out later.