Because 7 8 9.
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."
Two Panes
Becaauuuussseee 7 8(ate) 9. You get it huh?
Dads joke) The same reason 10 pennies is worth more than 9.
Finnish Goods
A pigment of your imagination.