So why isn't the various iterations of Windows NT and Windows 2000 included in this list?
Way to kill the US cloud industry Preska.
I'm a little dubious about the claim to "mastery takes 10,000 hours" (I think the person who came up with that pulled the figure out of mid air) - but a teacher will often show things that someone...
It's like the Querty keyboard. Not the most efficient way of doing things, but something that people need out of habit.