SPG Keyless is making its way to participating Westin, Sheraton, Four Points and Le Méridien properties around the world, joining the current number of 160 properties worldwide with the technology already enabled. As travelers become more reliant on their smartphones during the vacation-planning and booking processes, hotel marketers will also need to keep up with the demand for on-site mobile-enabled perks. “SPG Keyless has been hugely popular since launch, and one of the most common requests we heard from guests was that their travel companions also wanted to use SPG Keyless,” said Alyssa Waxenberg, vice president of mobile at Starwood Hotels & Resorts. “We have carefully considered the safety of our guests in rolling out multi-key functionality – authorization by the primary guest on the reservation ensures that mobile keys are pushed to the right people who also must be SPG members, have the SPG app and enable their phones for SPG Keyless.” Get the full story at Luxury Daily