Imagine how much more money Sony could have made if they called their latest game console Playstation Ø
In my head it would have been the "Playstation Island", while for most of the world it would probably have been the "Playstation Empty Set".
(for those who don't get it: Tetsuya Nomura is a director at Squarenix and known (amongst other) for its Kingdom Heart series who ends up with word salad title such as "Kingdom Hearts HD 2.8 Final Chapter Prologue" or "Kingdom Hearts 358/2 Days")