Internet retailer Amazon launches Amazon Key service - based on the principles of "smart home" innovation allows couriers "Amazon" (and not only) to deliver goods directly to your home, even if you are not at home. Amazon, at the same time, guarantees total security.

In general, in order to understand the essence of the Amazon Key service, it's best to watch a short video attached below - a vivid example of using the "Key" is described, planet-today.ru reports. In short, you purchase a special "starter kit" from Amazon Key, which is a Cloud Cam camera and an "intelligent" lock (from Yale or Kwikset for choice), then specialists install it all in your house for free, well, you can order now goods or services (cleaning, for example), without worrying that you will not be at home.
 
Amazon Key is useful not only for this - after all, it's about the "smart" lock, which in itself is quite convenient for family members of the thing.

The only "but" - Amazon Key service is available so far only in the United States of America - and even then, not everywhere, but only in thirty-seven cities. But the geography of the service will grow in the future.