Before you start bashing Edison, please read what other good things he has done.

Edison was a businessman and a pretty shrewd one. But he also was a genius and that's what counts.

U said we all know AC is more useful than DC; realy? I didn't know that. Sure losses are minimized with AC but DC has its own advantage. Even in long distance transmission utilities sometimes prefer DC (HVDC).

Litte knowledge is a dangerous thing.