An Internet of Things network has launched in South Korea. It is the first low-cost, commercial such network to launch in the country, and will allow all smart devices to communicate with one another. SK Telecoms is delivering the network, which will charge users a small fee. It will be able to reach 99% of South Koreans. The Internet of Things is the concept of everyday objects having internet capabilities in order to improve efficiency or functionality, for example a fridge that can monitor its contents and order food when it runs out.