Kyle Roche is the head of Sales Engineering and Enablement at Appirio. Appirio built one of the first prototypes for Java support on App Engine, which was shown at the Campfire launch. Appirio builds applications that leverage App Engine or the Force.com platform. Other areas of expertise are in Facebook application development and Amazon Web Services. Kyle's website is http://www.kyleroche.com.
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Raghav Sood, born April 16, 1997, is a young Android developer. He started working with computer seriously after learning HTML, CSS and Javascript while making a website at the age of nine. Over the next three years he developed several websites and quite a few desktop applications. Since then he has learnt several programming languages, including PHP, Java, x86 assembly, PERL and Python. In February, 2011 he received his first Android device, an LG Optimus One running Froyo. The next day he began work on his first Android app. He is currently the owner of an Android tutorial site, an author on the Android Activist site and the developer of 12 Android apps. He regularly takes part in the… android-developers Google Group, trying to help whoever he can. Raghav also enjoys reading, photography and robotics. He currently resides in New Delhi, India. This book is his first ever.