Book excerpt: Welcome to our multi-device world, a world where a user’s experience with one application can span many devices—a smartphone, a tablet, a computer, the TV, and beyond. This practical book demonstrates the variety of ways devices relate to each other, combining to create powerful ensembles that deliver superior, integrated experiences to your users. Learn a practical framework for designing multi-device experiences, based on the 3Cs—Consistent, Complementary, and Continuous approaches Graduate from offering everything on all devices, to delivering the right thing, at the right time, on the best (available) device Apply the 3Cs framework to the broader realm of the Internet of Things, and design multi-device experiences that anticipate a fully connected world Learn how to measure your multi-device ecosystem performance Get ahead of the curve by designing for a more connected future