Because 7 8 9.
Because Windows 7, 8 9.....
Because 7 ate 9.
Instead of all this "how did you get in to my house " calling 9-11 business.
Friend: 9 Me: 9? I'll give her one..
The limit does not exist
They think, therefore they arrrr
Hey Microsoft, why is there no Windows 9? You've given us 7 and 8, and now you're skipping straight to 10?" "Well, to be completely honest, 7 8 9."