The old American spiritual had it right, the toe bone is connected to the foot bone, the foot bone's connected to the heel bone, the heel bone's connected to the anklebone and so on through the length of the human body. But these days it's not Ezekiel who's joining up dem dry bones but the Internet of Things (IoT) and a UK-headquartered company HCi Viocare Technologies, the inventor of the Smart Insole.