This document discusses progressing web development and applications. It talks about some common criticisms of the web, including that browsers differ too much and the web is too flexible. However, it argues that browser differences allow for innovation and flexibility is one of the web's strengths. It promotes an approach of focusing on capabilities rather than browsers. The document also discusses progressing technologies like service workers and progressive web apps that can make applications work offline and feel more like native apps while still being web-based. It concludes by arguing the web is not going away and is a great platform to build upon.