Most recently LukeW was the Chief Product Officer (CPO) and co-founder of Bagcheck which was acquired by Twitter Inc. in 2011. Luke is also the author of the book Mobile First and was Chief Design Architect (VP) at Yahoo! Inc.While the task of designing Web applications and sites for multiple devices can be daunting, two techniques can make the process more manageable: classifying device experiences and designing/building responsively. Here’s how these two approaches can work together to optimize interface designs across a wide range of connected devices.Device ExperiencesDevice experie...