The trave industry has been buzzing with this new developmet: Starwood Hotels' got this new app that basically lets you unlock your hotel rooms by placing your smart phone on the lock. That means you can also bypass check-in and head straight up to your room. It's limited to Starwood Preferred Guests (SPG) at the moment, but we suspect it'll spread like wildfire among other brands as well. 

Here's how it works. You download their SPG app, register your phone and you’ll get a notification prior to your arrival with your room number and Bluetooth key. SPG Keyless can is now available in 10 hotels around the world, including Aloft Beijing, W Hong Kong and Element Times Square. 

Read more about SPG keyless here.