I was trying to share a Google DOC with two co-workers this morning and ran into this problem again in FireFox 3.0. Notice the strangely absent text box for your invites below Invite people? I had to load docs.google.com up in IE to share the DOC. Annoying – not the 1st time I’ve seen this problem. Pretty sure I experienced it in in FireFox 2.x for a while as well. Come on people.