A lot of computer security is based on trust. Your devices verify that you are, indeed, an authorized user, through the use of user names and passwords. And your devices trust services and servers, through a series of certificates and “trusted third parties” who work through a cascading system of verification and authentication.
Charge AirPods (or Even an iPhone) With Your iPhone
If you own an iPhone or iPad with a USB-C port, the port can be used to charge AirPods, an Apple Watch, or even...