Pair an Apple Watch with a treadmill, get better data.
Send money to a contact directly from your wrist.
Apple Pay Cash is US-only at launch, but watchOS 4.2 contains other goodies for all users.
Roughly a month after the last major update to the watchOS, Apple has released watchOS 4.2 which brings support for Apple Pay Cash among other changes.
Apple on Friday released the fourth betas of iOS 11.2, watchOS 4.2 and tvOS 11.2 to developers.