On again; off again

Over the past year, the world’s leading browsers have added features enabling web applications and publications to “phase shift” between online and offline states. Surrounding these new features is a growing set of communities broadly coalescing around the term “offline-first.” In this talk, we take a look at some of the key bits of technology being used by these new phase-shifting applications, as well as how the W3C’s Digital Publishing Interest Group is exploring these (and other ideas) for possible use in Portable Web Publications.