Not a bad idea, though it will be hard to get the word out with SMS being down
What's a good hashtag?
If this goes on for another few hours, it would definitely justify it's own DDMS post, IMHO.
Also, I'm not a Twitter expert, but I have a hunch that @support won't get blasted if people just retweet, I think everyone has to click "quote" and then add RT, like;
RT @DansDeals: @Support My followers have not been getting my tweets or mobile notifications from my tweets since this morning. Any idea what the issue is?
That way they get a thousand individual tweets.