How to turn off iPhone's new NameDrop feature, the iOS 17 function authorities are warning about

Apple's iPhone's new iOS 17 operating system includes a feature called "NameDrop" that is activated by default on the phones of users who update their software, prompting authorities to share information on how to turn it off. 

The feature allows iPhone owners to share their contact information with other devices, like iPhones and watches, that they come in to close contact with, as well as receive contacts from other people.