Was it something Chris Rock said?

At least people will remember this years Oscars.

Will Smith slapped Chris Rock on stage at the Oscars. We've all seen the video by now. And we all know what we think we saw. But do we know for sure that this isn't part of an ongoing slap bet?

The most incredible part of the incident, in which Chris Rock told a joke on stage at Jada Pinkett Smith's expense, Will Smith laughed, JPS said something, and th…