Great comments everyone. We agonized about bluetooth. If we can get bluetooth into the mojio without affecting the delivery dates, we intend to include it in the current version - no promises right now though. That way, people have the option to go without a data plan as needed. Also, there's no data plan lock in to mojio so we are looking for ways where people can either add a device to their existing cellular plan or just pay for months where they need it. We are also exploring ways to offset data plan costs. If we can get a sufficient user base, we all get to enjoy the economies of scale.