What's rep power?

[Cicero]

So I saw a guy who had 0 rep power, but he had like 8 green squares. How does that happen? What's the difference?

[Jupiter]

he must have been new. it's the same thing but rep doesnt kick in till a certain amount of posts and stuff

[User Deleted]

Time, posts, and number of time people vote you up or down on the scale it changes. There's a bit more but it's not really important.

[Stronger]

he must have been new. it's the same thing but rep doesnt kick in till a certain amount of posts and stuff

Not till 25 posts