Technology
Internet of Things (IoT)
Quick fact
The number of IoT-connected devices worldwide is expected to surpass 29 billion by 2030, outnumbering humans by nearly 4 to 1.
Why this is interesting
You can check your front door camera from a beach in Bali, and your refrigerator can order milk when you run out. How did a toaster, a thermostat, and a lightbulb suddenly become 'smart'?