Amazon Sidewalk, the tool that mainly existed to help Ring Camera send motion notifications or allow Level smart locks connect to the internet, now is open to any developer to build connected devices on.

Source: https://www.itworldcanada.com/article/hashtag-trending-mar-30th-agility-robotics-first-ever-commercially-available-humanoid-robots-amazon-sidewalk-open-to-developers-twitter-punishes-unverified-accounts/534950

Amazon smart home devices are popular for a lot of reasons (such as their reliability and pricing), but the impressive Amazon Sidewalk network is often overlooked.

Source: https://www.digitaltrends.com/home/how-to-turn-off-sidewalk-on-ring/