The Ring of Data-Power

http://www.telegraph.co.uk/technology/internet-security/9811715/Google-aims-to-replace-passwords-with-ID-ring.html 

https://nightstalker.fandom.com/wiki/Mr._R.I.N.G. , https://www.imdb.com/title/tt0621539 

https://akolchakaday.blogspot.com/2012/01/episode-12-mr-ring.html

https://www.marcasgrant.com/blog/2017/6/2/kolchak-the-night-stalker-episode-12 

https://tvtropes.org/pmwiki/pmwiki.php/Recap/KolchakTheNightStalkerE12MrRing 

From Mr. R.I.N.G. to Ring robots.

https://techcrunch.com/2022/09/28/amazons-ring-announces-plan-to-use-a-robot-for-security-patrols-alongside-new-home-security-devices

https://www.forbes.com/sites/paullamkin/2025/06/27/your-ring-video-doorbell-just-got-smarter-with-an-ai-boost

https://techcrunch.com/2025/12/09/amazons-ring-rolls-out-controversial-ai-powered-facial-recognition-feature-to-video-doorbells/ 

https://improbable.com/2014/04/14/robots-ring-the-doorbell

http://therabbitportal.blogspot.ca/2013/03/web-search-engines.html