To enter the room, you wave or tap the phone onto the reader on the lock.

Like anything digital, there are upsides and downsides.

“When everything that you need is on your phone, it can be quite a disadvantage as well.

Someone using a smartphone to unlock a hotel room door.

Hyatt

Your phone is also more easily stolen,” professional traveler and travel writerBecky Mooretold Lifewire via email.

There is the possibility of losing it, but that’s far less likely than losing your hotel keycard.

NFC… also represents another hardware component off of which tech multinationals can build and strengthen their digital ecosystems.

Using an Apple Watch to unlock a hotel room door

Hyatt

There are other advantages to doing it this way, too.

This new feature works with the NFC chip in all recent iPhones.

One neat extra is that this chip keeps on working even if your iPhone’s battery dies.

What Happens in Vegas

One downside of digital technology is that it’s less private.

With NFC, it’s possible the hotel could track when you enter and leave your room.

Thankfully, Hyatt learned its lesson.

Two years later,it happened again.

“NFC enables automatic digital connections, which can be intentional, frictionless, and value-creating.