Looks like Google is following suit 
<a href="http://techcrunch.com/2012/02/28/forget-about-android-4-0-google-exec-hints-android-5-0-will-launch-in-fall-of-2012/">http://techcrunch.com/2012/02/28/forget-about-android-4-0-google-exec-hints-android-5-0-will-launch-in-fall-of-2012/</a>