How does one celebrate the night before becoming a millionaire? If you're a Facebook employee, you participate in an all-night hackathon.
The Menlo Park social-networking company is largely expected to go public Friday in what could be the largest tech IPO ever.
Some reports suggest that upwards of 1,000 people could become overnight millionaires when Facebook shares begin trading on the NASDAQ.
Some of those millionaires will spend their last few hours as common people by participating in Hackathon 31 starting Thursday at 7 p.m. on Facebook's Menlo Park campus.
The event is open to employees only.
The event is scheduled to run until Facebook executives ring the opening bell early Friday morning.
Participants in Facebook's notorious hackathons are required to code whatever they like as long as it is not part of their normal day job.