In a multi-device world where people start a task in one device and finish it on another, creating an effective and seemingless experience across devices is key not just for the user, but for business results.
This talk covers the 4 dimensions that you need to get right in order to design a successful multi-screen experience, and shows you how to apply them using a real world example.
http://interaction16.ixda.org/session/ux-in-2018-designing-experiences-for-a-multi-touchpoint-multi-device-future/
