IT People “Twice as Likely” to Wear Heavy Metal T-Shirts as Other People

"IT people are 34% more likely to wear a ponytail than others and 63% more likely to wear black jeans, according to survey of 1000 office workers."

I wonder where they get these ideas from? Do they concoct fake surveys? Is the company who conducted the survey so bored that it has to conduct a stupid survey like this? More here.