Google I/O 2012 - After Hours - Train Posted in Companies, Conferences, Development on August 20, 2012 For all I/O 2012 sessions, go to https://developers.google.com/io/ Watch Video Tags: googleio2012, Google, Google I/O, developer conference, Google Developers I/O 2012, Conferences, 2012, Development Related Search Queries Google I/O 2012 Please enable JavaScript to view the comments powered by Disqus.