I applied for the Tweetdeck role, and though they were talking about going through to round three, I didn't get it in the end.
They were all really great guys though, and you can tell they're in it for the love of making something useful. If you have Python, async web dev and messaging experience, I'd recommend talking to them.
Shame they're London-based. That's one part of the country I'd never, ever live again, if I had the choice. Overpriced, crime-ridden, crowded, over-hyped and self-important shit-hole.
London is very lucrative for recruiters because of the Financial Services industry. If you're regularly recruiting for FS people you get 5% of a lot of 6 figure salaries.
They were all really great guys though, and you can tell they're in it for the love of making something useful. If you have Python, async web dev and messaging experience, I'd recommend talking to them.