The conversation Prism was first developed in 2008 & is a visual map of the social media landscape. Social Media is undergoing dramatic changes with Facebook, twitter, YouTube & others being the leaders in respective categories. Enterprises are also moving into the social business landscape with enterprise social business, social analytics & others. This analyzes the dominant social media networks & tracks them in how they are being used.
There are around 26 categories like Wiki, business, social curation, video, blog/microblogs, influence & others. The Conversation Prism is by Brian Solis and JESS3. Solis is the principal analyst at Altimeter Group and top social media marketing expert. Many brands which were not their in the first version of the report are now category leaders.