The company [Hilton] plans to let customers use their smartphones to unlock room doors at most Hilton-owned hotels by the end of 2016.I can't recall how many times I've stood in front of a hotel room's door and hoped I could just pull out my iPhone and unlock the door with a tap. Of course, the same applies for every situation I'm forced to pull out a wallet but, it's a start.
Another part of Hilton's initiative will allow customers to book and preview rooms using their smartphones, thereby bypassing the need to visit the front desk.