Do DoTs Stack?

[GigaBalls]

Does anyone know if DoTs stack in Diablo 3? Say can I spam Rend and keep adding to the DotT counts? With 2-3 ticking at a time? Or does it overwrite the previous one when you cast them a second time like in WoW?

[zakaluka]

I have noticed that if I pin a mob under my venom hydra, the damage numbers start low but then ramp up quickly.

This leads me to believe that certain dots stack. However, we've been told before that they just refresh. Needs more testing.

[Karth]

I've seen conflicting evidence. I forget what ability it was, but some DoT I was using the other day also seemed to stack to a certain extent... and then a different DoT ability didn't seem to stack at all.

[konfeta]

I think that AoE DoTs stack unless otherwise noted (like Blizzard). This seems true for Wizard, the only spell I haven't tested this for is Meteor (kind of hard to do it there).