I see it as almost a sign of intelligence:
If you can spell "definitely" correctly, then you are an intelligent human being.
If you cannot spell it correctly, you are dead to me.
Okay, so maybe my feelings about the latter aren't quite that harsh, but it's pretty close.
:: Completely unrelated, but worthy of mention ::
staying up ridiculously late watching The Bodyguard is totally worth the sleep deprivation.
such a heartbreaking movie, but oh so good.