Digerati | Marc Andreessen

Watch this.......
A conversation with Marc Andreessen, co-founder and chairman of Ning and an investor in several startups including Digg, Plazes, and Twitter. Best known as co-author of Mosaic, and founder of Netscape. He is on the Board of Directors of Facebook and eBay.
Then read this.........
Social media's history and trajectory, a dissertation paper by Dannah Boyd, "Social Media is Here to Stay... Now What?".