According to other academic studies, between 65 and 93 percent of human communication is nonverbal: facial expression, tone, body movement. Put very simply, our brain has evolved over millions of years to subconsciously spot these cues so we can better read and empathize with each other. Communicating via computers removes these cues, making communication abstract and anchorless. Or, as the web comic Penny Arcade has it: “The Greater Internet Fuck-wad Theory”: “normal person + anonymity + audience = total fuckwad.”