A couple of things: 1.) The fact that Breadcrumb has a "Pro" option and requires me to schedule a demo, suggests that it's more of a complex system than Square

A couple of things: 1.) The fact that Breadcrumb has a "Pro" option and requires me to schedule a demo, suggests that it's more of a complex system than Square. 2.) Breadcrumb looks to be targeted specifically toward restaurants. 3.) I bet Square will be around for a heck of a lot longer than Groupon will.