One of my coworkers always touches computer screens.  The monitor at his desk is so covered with fingerprints, you can hardly see what's behind them.  And every computer he's near magically attracts his not-abnormally-greasy fingerprints.  To that, I say "Do what you want.  If you want to touch your computer screen and make it all gross, go ahead."  But what really gets to me is that he sometimes comes to my cubicle and invariably ends up touching my computer screen.  He just came by to show me something and I didn't even realize he touched my screen until after he left.  Some people might say that I'm unnaturally obsessive compulsive.  I don't think it's unnatural at all.  Just don't touch my computer screen. #technology