> [...] we trained Duplex’s RNN on a corpus of anonymized phone conversation data. That's alarming, and thinly cloaked in euphemism (IMO). "Conversation data"

> [...] we trained Duplex’s RNN on a corpus of anonymized phone conversation data. That's alarming, and thinly cloaked in euphemism (IMO). "Conversation data" here means recordings of actual human-to-human calls, as well as their automated transcriptions. Both were used. Where did that source audio come from?