Global IoT growth: 28 billion connected devices by 2021
"IoT devices are expected to increase at a compounded annual growth rate (CAGR) of 23% from 2015 to 2021 ... In total, around 28 billion connected devices are forecast by 2021, of which close to 16 billion will be related to IoT. ... Cellular IoT is expected to have the highest growth among the different categories of connected devices, reaching 1.5 billion in 2021." as stated by Alex Rolfe of Payments Cards & Mobile.
Read the full story: https://www.paymentscardsandmobile.com/global-iot-growth-surges/