Facebook is the world wide leading site in the universe and best for you to do social marketing.
Any thing you need for FB
Twitter is the most conscious social site.
You Tube, the best video sharing place .
You Tube Subscribes
Instagram is another picture sharing social interaction site that helps people connect through images.
pintereset is also a good platform for socialization and is a useful site.
pin @ pinterest
sound cloud is the best social site for interfering music files.
sound cloud plays
The worlds most leading search engine and best circle to share.
vine is a mobile app software that is owned by twitter and is mostly used to share video clips.
ask.fm is another great social site that lets user ask any questionfrom the other users to help em it is a unique site.
my space is another songs and music sharing platform owned by a pop singer.
My space friends
Reverbnation is a music and social networking site that is used for concert dealing and booking e.t.c.