Amazon Alexa customers worried about their privacy can now choose whether or not contractors listen to the recordings of their exchanges with Alexa. 

Currently, Alexa — like Siri, Cortana and Google Assistant — records every exchange with Alexa whether it’s via phone or one of the Echo devices. These are listened to by contractors as a way of assessing how good the assistant is at understanding user requests, and whether its language understanding is up to scratch.
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