May 8, 2008 editor Comments closed OPLIN 4Cast #101: Ban Second Life? Backscatter, Spam is 30, Xobni Posted in 4cast, backscatter, social network websites, spam, techies, and wireless 1. Virtual worlds in the hot seat As reported in the 4Cast last week, there are 100+ youth-oriented virtual worlds in existence. With that kind… Read moreOPLIN 4Cast #101: Ban Second Life? Backscatter, Spam is 30, Xobni