We use Social Media to share in all sorts of ways but for SEO, the uses of Social Media is for Communication and for Bookmarking. We use it for communication just like on Facebook or Twitter, we update our statuses or posts updates in our network where everyone can read it. And for bookmarking, this the way of saving links to our favorite content, sites or blogs and sharing those links with everyone.
Here are some list of popular social media sites.
For Communication - Twitter, Plurk, MySpace, Facebook, LinkedIn, Plaxo, LivingMemory, Squidoo, Bebo, Jaiku, Brightkite.
For Bookmarking - StumbleUpon, Sphinn, Reddit, Del.icio.us, SlideShare, Digg.
