Social media is a web of unlimited opportunities and options to influence your audience,the broad description of social media can be a media where every one can share views,news,photos,videos and podcasts accompanied by a voting process.
With Social media the Democracy on the web,People from various fronts are actively connecting with each other and talking everything under the sky,it is a web of information that is collected in a collaborative manner.the likes of Forums,message boards,weblogs,wiki,podcast,pictures and video are various forms of social media
Facebook: Current king of Social media,hosts a range of social applications,over 1 billion users and still counting,market value rose after tie-up with microsoft,can sync adverising oppotunities using Microsoft Adcenter
Myspace: Similar to Facebook,user can update their status,set mood,write blog posts and create a personlised presence on web.popularity of myspace is on wane after the Emergence of Facebook.
Twitter: Limited social network when compared to Facebook,its simple infrastructure that allows users to share 140 character messages with other users is a advantange,A user can follow other Twitter users to get real time updates from hem.
LinkedIn: Largest and Prominent social network for Business World,More controlled than other social networks,more often used for qualified,surgical introductionss to individual businesses.
Youtube: Worlds Most popular video sharing and viewing site,acquired by Google in 2006,Users or Companies can establish a profile to upload videos or establish own channels.
Flickr: Specialised Social Network,focused primarily on sharing photos and friends.