I wish we had made the decision to go all wireless, I chose a combination of wireless and ultrasonic because I was worried about reflections, interference, and special regulations for wireless in an airport, but thinking back, it would have been nicer to go all wireless. Kudos to that guy for the product, I like the phone idea using the built in bluetooth. Maybe I can convince Ben to give it another go and do another Android ep :-) It would be awesome to have something like a 3 wheel 5 gallon bucket to follow you at conventions to put your stuff in. And you could make it look like R2D2.
