<i>14 years</i><p>Sorry, you are absolutely correct the plugin itself came out in 1996 with the original software having been developed earlier by PenPoint.<p><i><a href="http://en.wikipedia.org/wiki/File:Operating_system_usage_share.svg" rel="nofollow">http://en.wikipedia.org/wiki/File:Operating_system_usage_sha...</a> </i><p>Not sure what that is supposed to prove, some would argue that that is a sizable chunk (bigger than Windows 7 currently). But that's really besides the point since the argument was that the people that matter are running it.