Jakobsson, M. 1999. ?Why Bill Was Killed. Understanding Social Interaction In Virtual Worlds'?. In Interactions In Virtual Worlds. Proceedings Of The Fifteenth Tewnte Workshop On Language Technology. Interactions In Virtual Worlds. Proceedings Of The Fifteenth Tewnte Workshop On Language Technology. Enschede: Tewnte University. http://www8.informatik.umu.se/~mjson/files/bill.pdf.