https://laughingsquid.com/beon-home-smart-lightbulbs-learn-lighting-patterns-respond-to-audio-cues-can-operate-on-battery-power/
BeON Home smart lightbulbs are capable of learning a user's lighting patterns, responding to audio cues like a doorbell or smoke detector, and can operate
smart lightbulbsbeonlearnlightingpatterns
https://www.statista.com/chart/13982/smart-device-sales-as-a-share-of-category-sales/
This chart shows the share of sales in different product categories accounted for by "smart" devices.
smart speakerschartdumblightbulbsstatista