Human workers listen to Google Assistant recordings

[Manoj]

This should not come as a surprise knowing Google but read on …
https://www.theverge.com/2019/7/11/20690020/google-assistant-home-human-contractors-listening-recordings-vrt-nws

[Bopol]

Cortana too, watch
Témoignage de Julie, “transcriber” pour Cortana (Testimony of Julie, “transcriber” for Cortana, no English subtitles though) https://video.lqdn.fr/videos/watch/9772f4a0-c025-4238-bfff-2ca473eceb54

Alexa too https://www.bloomberg.com/news/articles/2019-04-10/is-anyone-listening-to-you-on-alexa-a-global-team-reviews-audio