I read soem guy got fired from his job for reading the internet and he sued. Judge sided with dude and said it was no different from reading the paper.
I don't know - seems like reading the paper would get you fired too, but whatever.
With the increasing amount of info available and the amount people spend on shit like facebook jobs are going to have to become more progressive about internet useage at work.
There are all kinds of sites blocked here, but for some reason I can always use the siccness. allhiphop=blocked, aintitcoolnews=blocked, siccness=OK!