I wrote this [0] in 2010 and it remains my one tech prediction that actually came true.
A good example of where things lie today is StyScrapers[1] - a flash-like game completely implemented in HTML - not in a canvas but with div elements controlled by the physics engine. It runs smoother and uses the browser much better than flash ever could.
[0] https://sheep.horse/2010/2/mobile_safari_does_not_support_fl... [1] https://vole.wtf/styscraper/