The Wow Challenges are a global campaign from Samsung Mobile created by Cheil USA. Found online and hosted by internet personality Ze Frank, the campaign presents participants with three consecutive challenges. Anyone in the world can participate in these, with any mobile phone. All this fun supports two great causes: Architecture for Humanity and The Nature Conservancy. The voting community determines which charity receives a greater percentage of a $30,000 donation from Samsung Mobile. Challenge 1: Use your shadow to make three-dimensional letters, capture them with your mobile, upload them and help create the Shadow ...