Because 7 8 9.
A co-operating system.
There's no way Eric Clapton would let a bag of cocaine fall out of a window!
To cloud 9
Because ten, nine ate!
They think, therefore they arrrr
Because cot(0) doesn't exist... This joke... it burns my eyes...
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."