My office took away instant messaging because some people were abusing it... so now when I want to talk to those people, I just stop working and get up to go talk to them at their desks.
Good idea, Corporate America.
(In an unrelated note... I've been using "Good idea, Corporate America." to cover all obviously bad and obviously corporate decisions (I can't explain that better... not unless you've worked for one of these places.) I recommend everyone put it in their common terms)