http://www.techradar.com/news/smart-lock-maker-august-widens-the-reach-of-its-amazon-key-alternative

One of the big talking points of home security in 2017 was around the Amazon Key service, the one that allowed its delivery drivers to access your home while you were out. 

And while the response was definitely mixed, that hasn’t stopped others from trying their hand at this service. August, a manufacturer of top-quality smart lock and video doorbell products has taken the opportunity of CES 2018 to launch its own rival service called August Access.