How do we make sure our system works with hundreds of devices in the same room? We test it with hundreds of devices in the same room. Over the past year, I have been working with Blecon, a startup based in Cambridge, UK, founded by the team behind the ARM Mbed OS, to make sure their new generation of Bluetooth beacons works reliably, even in the most challenging conditions. Blecon is developing a new generation of Bluetooth beacons that both send and receive data and that can handle large data p...