Hilton will let you unlock doors with your smartphone

Hilton has announced that its hotels will soon allow guests to use their smartphones as room keys. This is a $550 million investment and will affect all 4200 properties the company has worldwide.



Currently, all of its US-based brand hotels offer mobile check-in and check-outs – a function that is to be upgraded by the end of this summer, to further allow guests to choose their rooms while making reservations from their smartphone. Hilton further plans to first add the keycard feature to the app, then start adding support for all of the app's features on a worldwide scale. The process should ...