Guys... Transaction malleability is to blame for MtGox losing track of their tweets. Obviously.
Yes, apparently it's a flaw in the bitcoin protocol that deleted all the mtgox tweets. That's why mark quit the foundation. He's simply tired of their incompetence. First his gox coins now his tweets. Bitcoin is responsible for all. But don't worry, I'm sure they are working on a fix. And you will get your tweets and gox coins soon!