In late 2010, an up-and-coming Google executive named Sundar Pichai took the stage in front of a bunch of reporters and explained that Google had a big new idea about laptops. In the future, he said, the only thing you'd need on your computer was a web browser - that was where all your apps, data, and connections would live going forward. Your computer didn't need much storage, Pichai explained, or any fancy hardware, because the cloud would do the work. The software designed for these new laptops, Chrome OS, was an enormous bet that the web would eventually overtake everything.
Chrome OS (which eventually became ChromeOS) has been, in many …