Internet of things can also be integrated with the Smart Grid, thereby enabling real-time energy optimization. Measurements, automated controls, plant optimization, health and safety management, and other functions are provided by a large number of networked sensors. The term industrial Internet of things (IIoT) is often encountered in the manufacturing industries, referring to the industrial subset of the IoT. IIoT in manufacturing could generate so much business value that it will eventually lead to the Fourth Industrial Revolution, so the so-called Industry 4.0. It is estimated that in the future, successful companies will be able to increase their revenue through Internet of things
Psychological effects of Internet use from a young age about the risks associated with cyber bullying. Children use, on average, 27 hours of internet a week and it is on the increase. This leads to an increased risk of insomnia. "A psychologist, Aric Sigman, warned of the perils of “passive parenting” and “benign neglect” caused by parent's reliance on gadgets". In some cases, parents' internet addictions can have drastic effects on their children. In 2009, a three-year-old girl from New Mexico died of malnutrition and dehydration on the same day that her mother was said to have spent 15 hours playing World of Warcraft online.