"Internet of Things Foundry" in Dallas, an innovation shop full of network engineers. They invited customers in with this proposition, explained Vice Chairman Ralph de la Vega: "Tell us what problem you want us to solve, and we commit that within two weeks we'll give you a prototype solution for you that works on a real live network ... Every time we do this, it results in a contract." So, for instance, the global shipping giant Maersk needed a sensor that it could affix to every shipping container it owns, enabling the company to track its containers anywhere in the world. The sensor had to affix to two hundred thousand cargo refrigerator containers, it had to be able to measure their humidity, temperature, and whether they had suffered any damage, and it had to broadcast that data to their headquarters, and--this was the real catch--the sensor had to operate without batteries and be able to last ten years, because they couldn't be changing them all the"