View Post Agencies | Brands | Campaigns | Digital W+K Promotes Sony’s Waterproof Phone with Underwater Apps By Erik Oster on Aug. 20, 2014 - 11:12 AM W+K worked with Sony and development partners Motim and SoftFacade to create a series of apps promoting the Xperia Z1S’ waterproof technology. Several of the apps, including “Goldie” (featured above), “Plan ...