> You’d think that it’d be very easy with today’s technologies to remain undetected while transmitting these simple pieces of information. I'm imagining a pock

> You’d think that it’d be very easy with today’s technologies to remain undetected while transmitting these simple pieces of information. I'm imagining a pocketable Bluetooth device (paired with your phone) with a few buttons for the common stuff. That should be easy to conceal and use surreptitiously.