To be more precise, it is the combination of web browsers, HTML, JavaScript, and adjacent technologies that are the everything app, but your point stands. You a

To be more precise, it is the combination of web browsers, HTML, JavaScript, and adjacent technologies that are the everything app, but your point stands. You are absolutely right. Let's be blunt: the elevator pitch for the 'everything app' as «a smartphone application that will deliver everything to everyone on the planet» has already been solved. The pitch that Elon Musk and other tech oligarchs want to solve has an addendum, which the WebBrowser+ ecosystem does not yet[0] satisfy: «a smartphone application that will deliver everything to everyone on the planet [and is under the control of a single entity for its own benefit]» [0] I say "not yet" because developing a new app from scratch is not the only strategy—see Google trying its best to make Chrome and derivatives the only useful 'everything apps'