The Internet of Things (or IoT) links formerly isolated objects -- think thermostats, cars, refrigerators, etc. -- to the Internet. All that connectivity allows devices to communicate with each other, provides us with vast amounts of previously inaccessible data, and does handy things like, for example, warn businesses when equipment is about to break down.
The IoT has been around for years, but the recent proliferation of low-cost sensors has made it easier and more affordable to bring all sorts of new things online. Here are a few facts that show how big this tech trend really is, and why investors should be paying attention.