https://www.techradar.com/news/ios-12-could-let-you-unlock-your-hotel-room-with-nfc > With Apple expected to reveal some of the big features of iOS 12 in a couple of weeks' time, there's some advance news on what one of those features might be: the ability to use your iPhone as a secure door key for a hotel room, thanks to the magic of Near Field Communication (NFC). > That's just one of the potential uses of the technology, which is being opened up to developers in iOS 12, according to The Information. Apps not made by Apple were given a limited amount of access to the iPhone NFC chip with iOS 11, but apparently a lot of the restrictions are going to be lifted, letting developers build more advanced features.