OS 5.0 started development in 2004 even though OS 4.0 is not finished in 2006? This must be a new software development plan I am unfamiliar with. Normally you finish the earlier version first. :-D
I assume Window Vista must be the version written BEFORE Windows XP then.
Well, I must not be negative. Bill has taken time to write long responses to all the questions. (I just can't see the answers)