Google I/O とクールなURL
| year | url | status |
|---|---|---|
| 2015 | https://events.google.com/io2015/ | |
| 2014 | https://www.google.com/events/io/ | |
| 2013 | https://developers.google.com/events/io/ | |
| 2012 | https://developers.google.com/events/io/2012 | |
| 2011 | https://www.google.com/events/io/2011/ | 404 |
| 2010 | https://www.google.com/events/io/2010/ | 404 |
| 2009 | https://www.google.com/events/io/2009/ | 404 |
| 2008 | https://sites.google.com/site/io/ |
