Limits on objects in Alliance Station area?

[AndyBare]

Last year, my team made a playbook type paper book where we found
1. Every type of alliance and robot combination possible - whether it be three unable to shoot, two able to shoot one that could herd, etc.
and
2. The maximum cycle score for each setup and which zone it would be best to put each bot into during the match.

Ex. Pushing robot goes from zone 1 to zone 2 and gives to shooter, who trusses to another robot who shoots high.

After memorizing every scenario, we would go to our alliance partners with an ipad before the match and get everyone "placed out" on the field and given their position. Our coach then brought the ipad to the field so that he could continue to communicate the plan with the other coaches during the match.

It worked well, and was a great idea - drastically increase alliance work between the teams, and I assumed that this new rule was focused around the introduction of white boards, ipads, etc. into the alliance stations.

I'm saying this because last year it was pretty sketch because it wasn't in the rules that we were allowed to have them, but nothing said we couldn't. So now we have some solid ground there.