I think you can believe them as much as you believe anything--that is, find out what they're actually doing and then decide for yourself if it makes sense. Compare results across platforms and if the numbers come within 10%, consider them consistent.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.