Your comments

I love how we can envision global coordination. That has to be a major component.
I love this idea! What steps do you see we need to take? How would we get the tshirts out?
Also, we want to think of ideas for fundraising for this. How much would it cost to get running.
How much can you figure out? 
Where do you need help?
Ok, we often have to start with a name and purpose. The name of these socials? And, the purpose? In other words, what is the "hill they will climb" when they leave the social?
On of the biggest challenges is the criteria and discipline of coming up with a number that reflects reality. What criteria is most important to reflect?