Or if you're awesome use ↑ for the above poster, → for you, and ↓ for the poster below.
Example:
Droid wrote:^ is awesome
> is a robot
v totally sux
Awesome Droid wrote:↑ can't stand demons
→ uses the cool arrows
↓ plays too much Black Ops
I'll start:
↑ doesn't exist
→ is a cool person
↓ Is awesome