It's probably possible to do speech recognition with much less power / computation, if you don't care about its reliability. For the purpose of targeting ads it

It's probably possible to do speech recognition with much less power / computation, if you don't care about its reliability. For the purpose of targeting ads it doesn't really matter if you get it wrong, as long as you improve the probability of getting it right. That said, the article lacks any conclusive evidence this is happening. It's a scary prospect that it could happen though.