Here it goes: Although it might only be the end of year, December, but Google has announced the dates of next I/O event. The next I/O event i.e. I/O 2013 event scheduled on May 15-17, 2013 at Moscone Center West in San Francisco and is just 162 days away. The registration details of the event, the company will announce in February 2013.
Here is what Google has to say about it:
It might only be December, but Google I/O 2013 is set and is just 162 days away! We’ll be returning to Moscone Center West in San Francisco on May 15-17, 2013, and sharing the experience beyond via Google Developers Live and I/O Extended viewing parties. We’ll announce registration details in February 2013.
If you have not yet experienced Google I/O, our annual developer event, visit the 2012 site at https://developers.google.com/events/io/ for highlights, including the spellbinding Google Glass demo (http://youtu.be/D7TB8b2t3QE).