I've seen this very thing everywhere I go. People are oddly determined not to be seen, but when you bring up PGP they find every excuse to ditch it. Stickers are easier to understand than public keys. LOL.
I've yet to see anyone in IT put a sticker on like this. There's a lesson there... :)
Pleased to meet you.
You haven't seen me yet, but now you know someone in IT who does this.<==HERE there's a lesson...
"Just because you're paranoid...
Don't mean they're not after you..." - Kurt Cobain (and me. and thousands of others... ;) )