There's a global hackathon going on right now at Atlassian. Keep a eye on https://twitter.com/hashtag/shipit33
Memorable tweets so far:
1) Founder of the company last night calling it quits and heading out for a beer. https://twitter.com/mcannonbrookes/status/674734326571921409...
2) Insanely clever marketing by the jira team: https://twitter.com/Atlassian/status/674964465717260288
Reply with your favourites! ;)