1) The $259 Nano X and soon-to-be released, touchscreen $489 "Stax" are Ledger's "whale" products, with Bluetooth being their preferred connection method
2) Web-Bluetooth is supported by 75% of browsers globally (similar to web-usb) ref: https://caniuse.com/web-bluetooth
3) Adds mobile hardware wallet support to SS for both iOS and Android!
3) Easy-ish dev lift, just add a new Ledger Transport to hd-wallet w/@ledgerhq/hw-transport-web-ble + some web UI tweaks
4) Ledger has a Nano X emulator if devs do not want to purchase this $$ device: https://developers.ledger.com/docs/speculos/introduction/
5) Profit