You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
That is a guess. They made a big show of delivering one, but nobody else seems to be getting them. They have press units, a few test rigs, one in the hands of a customer, and that seems to be it.
Umm.. Rivian also outright stole Tesla technology. Some Tesla employees who defected to Rivian last year were caught red-handed. Eventually they will have to answer for that.