@Rick: They tore it apart and found two of the transistors had no wires going to them.
I remember an old computer in the UK -- thsi was a "big boy" -- not a personal workststion -- it came running with one clock speed -- when you needed to upgrade, you could buy another motherboard that ran at twice the clock speed.
The man woudl come from the factory, take your motherboard out, and plug the new one in, and leave. As soon as he was out of sight, he would flip the "2X" switch on your old motherboard -- this was the one he would install in the next company's computer...
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.