Originally Posted by JoanneS

Here's my 2 cents - I don't think we should limit the # of people joining the exchange.

Usually, people join right up to the LAST minute - and some people get so overwhelmed that they have to drop out! Also, some of us might decide to do a 2nd or even 3rd block toward the last minute. You never know!

And if we do more than 1 set, it doesn't matter much if we get a duplicate block - they're so small, that they won't wind up next to each other anyway.