What is Social Media?

Here's a great overview of applications below compiled from Wilipedia http://en.wikipedia.org/wiki/Social_media

COMMUNICATION
> Blogs: Blogger, LiveJournal, Open Diary, TypePad, WordPress, Vox,
> Micro-blogging / Presence applications: Twitter, Plurk, Pownce, Jaiku
> Social networking: Bebo, Facebook, LinkedIn, MySpace, Orkut, Skyrock, Hi5
> Social network aggregation: FriendFeed
> Events: Upcoming, Eventful, Meetup.com

COLLABORATION
> Wikis: Wikipedia, PBwiki, wetpaint
> Social bookmarking (or Social tagging) (Golder & Huberman 2006): Delicious, StumbleUpon, Stumpedia, Google Reader, CiteULike
> Social news: Digg, Mixx, Reddit
> Opinion sites: epinions, Yelp, mouthshut.com, City-data.com

MULTIMEDIA
> Photo sharing: Flickr, Zooomr, Photobucket, SmugMug
> Video sharing: YouTube, Vimeo,
> Livecasting: Ustream.tv, Justin.tv, Stickam, bizbuzztour.com
> Audio and Music Sharing: imeem, The Hype Machine, Last.fm, ccMixter


LAST BUT NOT LEAST:
A suggested Social/New Media reading resource:
Wikinomics, How Mass Collaboration Changes Everything (2006)
THE BLOG: http://www.wikinomics.com/blog/
THE BOOK: http://www.wikinomics.com/book/
ON AMAZON: http://www.amazon.com/Wikinomics-Mass-Collaboration-Changes-Everything/dp/1591841380