Consumers are responsible for the most significant growth on the IoT market, especially due to the ongoing popularity of smartphones, tablets and computers. By the end of this year, 7.9 billion IoT devices will be in use all over the world. In terms of money, that amounts to 178 billion dollars spent on IoT. By 2024, it is expected that there will be 13.8 billion IoT devices worldwide. Total value in dollars: a whopping 658 billion.