Cisco thinks that as many as 50 billion devices will be connected to the Internet by 2020.
To put that in perspective, that’s nine devices for every one of the eight billion people expected to be on the planet. Your phone, the fitness device on your wrist, your doorbell, the thermostat in your hallway, the smart TV in your living room, the car in the driveway, the Amazon package at your doorstep, and even your family pet — all connected to the world and beaming data home.
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