> the audio is checked against a fraction of other Alexa requests arriving at around the same time. If the audio of a request matches that of requests from at l

> the audio is checked against a fraction of other Alexa requests arriving at around the same time. If the audio of a request matches that of requests from at least two other customers, we identify it as a media event I wonder what that fraction is. If you put 10 Alexas in a room I wonder if it's possible that none of them wake up.