Guide When to cut a campaign/ad/geo/zone/offer (using statistics and scary math stuff)...

[jimmyvanilla]

If math was never your thing then this post might be a bit difficult to digest at first, but hopefully I’ll be able to keep it simple enough that you won’t drown straight away and can come back after a couple of Red Bulls and try and force these concepts down. I think they’re important to understand in this game, at least to some degree and I spent quite a bit of time early on banging away at this until it made sense and it's really helped a lot.

It’s going to be unavoidable that this