Anyone notice the thread shrinking? Someone's been deleting posts today, when I come back the latest posts have shifted backwards.
I notice my "activity count" has been static at 140 all day long.
I think activity is reevaluated every two weeks.
Yes, it's a formula that takes the minimum of a) number of weeks * b) number of posts
So if you hit the maximum number of post that counts for the number of weeks part of the formula your posts won't go up until the next cycle.