I'm impressed with how good Google's uptime is. I'm always shocked when one of their services is down, even though they provide bandwidth intensive services for little to no cost.
Last time gmail was down, I set up my own email server. Now that talk is down, I need my own chat server.
Voice is part of talk, so that's down as well.
So are google spreadsheets in google docs.
spreadsheets working for me for the past 4 hours with no problem...