Hacker News new | ask | show | jobs
by jpl56 2935 days ago
I understand that an app recognizes keywords by itself. Then it doesn't need to send any heavy sound data to the server. A simple "send an ad for uni" transaction is sufficient.

I believe any microphone-authorized app (e.g.: Facebook) can do it, preferably when the phone sits on the table. "Buy", "Need", "Wish" are good keywords when they are followed by another word that sells easily : "shirt, phone, watch, ..."