examples of buisness

here are some websites that utilise web 2.0 to make profit. some of them fit into niches like escapist magazine and so sell advertising space which they use to fund the better than average quality videos on the website as well as making profit on the side. some are simple webcomics which sell products such as T shirts and hardback copies of the books like dr mcninja

http://www.escapistmagazine.com/
http://drmcninja.com/
http://www.amazingsuperpowers.com/
http://www.smbc-comics.com/