Indeed its kind of a opensource collbrative thingy still very much work in progress. Not sure if for Confidental work we would use a opensource format untill it tested in the market for a while..
Its intresting how HTML 5 both Google and Apple favour while MS doesn't it appears, what with Android and Apple also with mozilla and opera (which symbian and maemo browser work with..) it be intresting if MS go out on a limb or?