7: Number of years in the contract between vehicle manufacturer Hyundai and voice AI company SoundHound
21: Number of days after which parrot chicks begin to babble
20,000,000,000: Projected value, in $U.S., of the “Big Voice” industry within a few years
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¹Footnotes
SoundHound: [finance.yahoo.com](https://finance.yahoo.com/news/soundhound-signs-7-agreement-hyundai-130000352.html). Parrots: [science.org](https://www.science.org/content/article/wild-parrot-chicks-babble-human-infants). Voice: [wired.com](https://www.wired.com/story/voice-recognition-privacy-speech-changer/)
*Originally published in the June 6, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*