- Early access to US customers who own or purchase an Echo Show 8, 10, 15 or 21.

- Not available for Echo Dot 1st Gen, Echo 1st Gen, Echo Plus 1st Gen, Echo Tap, Echo Show 1st Gen, Echo Show 2nd Gen, and Echo Spot 1st Gen

- Not available in many markets. E.g. Currently unavailable in India.

Discussion: https://news.ycombinator.com/item?id=43185446