OpenSocial 2.0 was just released last month. http://blog.opensocial.org/2011/08/announcing-release-of-opensocial-20.html http://blog.opensocial.org/2011/08/anno

OpenSocial 2.0 was just released last month. http://blog.opensocial.org/2011/08/announcing-release-of-opensocial-20.html http://blog.opensocial.org/2011/08/announcing-release-of-ope... OS may not be as popular but it is still in use.