[Citation needed] Given that the C64 was selling like hotcakes (market share that I found reference to on the net was between 35 and 40% over that time period, but I don't necessarily trust those sources) your 50/50 IBM/Apple split sounds suspiciously like it was pulled out of thin air.

Pretty sure I jailbroke my ipod on iOS 4 with a jailbreakme website...

I think you should go back and read Tog again...that famous study showed that for some tasks, people believed that the keyboard was faster, even though it wasn't even close.