Google Now will now show you information about your hotel reservation
The Google Now search will be helpful before or during your stay. Of course, you will have to allow Google Now to run through your Gmail so that it can grab the pertinent information about your reservation.
With word that Hilton will allow you to use your smartphone to unlock any room on one of its properties by 2016, smartphones will soon become an even more indispensable part of your trips.
source: GoogleSearch, +Google via AndroidCentral