From the Cambridge Dictionary of English:
iota (n.) - an extremely small amount
From the Wikipedia:
Internet of Things (IoT) - the network of physical objects—devices, vehicles, buildings and other items—embedded with electronics, software, sensors, and network connectivity that enables these objects to collect and exchange data.
As electronics get smaller and smaller, not just wearables like an Apple Watch, but even tiny full computers like the Raspberry Pi, the "