The best progressive web apps for productivity

Say the phrase "progressive web app" to most people — including tech-savvy professionals — and you're bound to be met with a consistent reaction: the classic blank stare, probably followed by a period of awkward silence.Progressive web apps  — or PWAs, as they're often called — are one of the most promising app-related advancements of the past several years, but they're still relatively uncommon, completely confusing, and consequently quite misunderstood. Part of th