[Flammy]

I'll point out Facebook is using this always on recording for advertising purposes and one of those is to fuel a nielsen-like TV/movie/audio popularity business.

Basically, Facebook's always-on audio listening on their mobile app (Messenger I believe, but might be both these days) was giving this data. I can't remember the name of the company, but here is another tech company doing the same:

> Symphony uses just one: an app, downloaded to the cellphones of its more than 15,000 panelists. Audio recognition software then picks up whatever people are tuning into, wherever they’re tuning into it: their TV sets, their laptops, or their smartphones. “[It] measures everything you want to measure from one approach,” says Bill Harvey, a media research consultant who’s worked with Symphony

https://theringer.com/tv-ratings-streaming-nielsen-symphony-...