A cloudy Berlin welcomed us to the IoT Tech Expo, taking place in the Berlin Congress Center, and joined for a day by NXP’s IoT touring truck. A great, if quieter, companion to the London event we attended back in February, the Berlin event was a great way to meet some of the lesser-known players in the IoT. Here’s what RIoT saw. Kicking off with a panel that felt a little like it was preaching to the choir, the assembled masses were warned by Relayr that if you hadn’t started on IoT projects that you were already behind. Thibaut Rouffineau, Ubuntu’s Head of Devices Marketing, recalled an incident when the owner of a 1m-unit smart meter rollout saw the AWS…