Google has officially announced that registration for Google I/O 2011 is open. Google I/0 2011 brings together thousands of developers for two days of deep technical content, focused on building the next generation of web, mobile, and enterprise applications with Google.
Google I/O Developer Conference
That said, if you were planning to, or even thinking about attending Google I/O this year you may want to mark your calendar and get on this on Monday because tickets have gone quickly in past years.
Otherwise, in terms of when, where and how much. Google I/O takes place at the Moscone Center in San Francisco. It is scheduled for May 10th and May 11th and will set you back $450 for a ticket.
Check the website for more information.