In 2012, all of the tickets for Google's I/O developer conference sold out in under 30 minutes. Last year? It took about 49 minutes. Don't worry about waking up early to register this year, though: the folks in Mountain View are running a lottery instead. Google will take applications for I/O tickets from April 8 to 10, and will randomly reach out to lucky applicants not long after that. Honestly though, your odds of nabbing a ticket are still dicey - the event usually plays host to about 5,500 developers, and demand for admission is through the roof... thanks in part to all the hardware swag Google gives out. If you have neither the time nor the spare dough to schlep out to San Francisco this summer, expect Google to stream its announcements and developer sessions on YouTube too.