By Azhar Hashem, Google Developer Programs I'm excited to announce Google I/O 2009, our two-day developer event that will take place May 27-28, at the Moscone Center in San Francisco. Last year, over 3,000 developers participated in I/O and they attended 90+ sessions across all of our developer products. This year, much of our content will feature Android, App Engine, Chrome, GWT, AJAX APIs and mo