I noticed some smudge marks on my monitor (ViewSonic PF790) and wiped it off with a roll of toilet paper (It was the closest thing avilable). It got rid of the smudge marks but left a few vertical ...
This totally sucks. I was just working away and while I noticed some spots on my monitor. So I grabbed a napkin and tried to wipe them off. Trouble is, there must have been something on the napkin.