I know, but they are very bitchy about their IT stuff, and misuse will get you fired. They're blocking all social networks, games, newsgroups etc, and they're gonna block stuff like YouTube as well.
I had it installed one time, but when they found out (because the had to remotely access my computer), I got a warning.
Hmm, that makes me think, what if I install Chrome and make the shortcut look like IE? :P