According to another source:
The Walt Disney World Resort just announced that the MagicBands-only testing that recently took place at Disney’s Pop Century Resort and Disney’s All-Star Resorts was a success. For this reason (and as part of their ongoing test-and-adjust process for MyMagic+), the MagicBand-only test (which involves the complete elimination of the old "Key to the World" cards) will be expanding to include all Walt Disney World Resort hotels by late January 2014. As a result, all resort Guests will also be using Disney FastPass+ service exclusively.Testing will begin on the following dates (dates for resorts listed include any Disney Vacation Club accommodations):Monday, Jan. 6 – Disney’s Art of Animation ResortTuesday, Jan. 7 – Disney’s Port Orleans ResortWednesday, Jan. 8 – Disney’s Caribbean Beach Resort and Disney’s Coronado Springs ResortThursday, Jan. 9 – Disney’s Old Key West Resort and Disney’s Saratoga Spring Resort & SpaFriday, Jan. 10 – Disney’s Wilderness LodgeMonday, Jan. 13 – Disney’s Yacht & Beach Club ResortsTuesday, Jan. 14 – Disney’s Animal Kingdom LodgeWednesday, Jan. 15 – Disney’s BoardWalk InnThursday, Jan. 16 – Disney’s Contemporary ResortFriday, Jan. 17 – Disney’s Grand Floridian Resort & Spa and Disney’s Polynesian ResortMonday, Jan. 20 – Disney’s Fort Wilderness Resort & Campground