special thanks and K to kyteflyer for pointing this out, and to anemicoak for showing how to use shortcuts for syncing!
as for the limits, kyteflyer tell us how you are going, as I guess most people, me included, used your link to sign up.
Indeed, glad if anybody feels altruistic enough to sign up using mine
https://copy.com?r=OxXe7U
On the AT&T one: note that the article specifies that it lacks folder sync a la dropbox...