"Internet chatroom users can be so aggressive that a sociologist studying them has labelled some online communities "electronic fight clubs".

"According to the new research, even the most laid-back people can erupt into furious rants when debating online, and it's all part of an effort to distinguish themselves from the next user. Some even take on multiple personalities in a bid to outsmart their online acquaintances, while others adopt menacing usernames." (from Education Guardian).