History of science fiction authors about intelligent homes in which coffee is brewed itself (in the coffee machine) or lights turns on in the apartment without the aid of the switch – do not seem so irrational. Development 15 years ago with «Internet of things» gave the opportunity to realize the most brave ideas for everyday things that surround us. It will allow to save on utilities, if you, for example, forgot to turn off the TV , cut off power supply by using gadgets. Or, if you want to buy something in the store and you do not have on whom to leave ypur children, you can watch them via cell phone while standing in line. So, now do not have to worry about the safety of your child and the house in general. Developers of «Grost» know how to make your everyday and professional life more comfortable. Service «Internet of things» helps them in this.