This is my experience with the LIFX Smart bulb purchased on Amazon. I also trace the history of the light bulb, which I found to be a rabbit hole. 

https://www.smartenlight.com/introduction-to-smart-lighting-a-very-brief-history-of-light/

https://www.generalwax.com/candle-making/candles-history.php

http://www.historyoflamps.com/lamp-history/history-of-oil-lamps/