I'm genuinely curious, how would you end up hitting more than 6 keys at once? Maybe flight sims?
The hardest songs on O2Jam, for example, would often require you to press more than 6 keys at once.
Also, split screen multiplayer games played on the same keyboard.
Faith may be defined briefly as an illogical belief in the occurence of the improbable. - H. L. Mencken