Israel’s Aqua-Rimat is running a pilot of its Flowless water leak detection system in 500 Israeli homes. The system is one of the Internet of Things (IoT), allowing you to remotely turn off the water to your property.
https://www.youtube.com/watch?v=chAqjIx_8So
http://www.timesofisrael.com/start-up-says-its-waterprint-tracking-can-save-a-home/