But the web can change, to allow all kinds of online applications, running in a sandbox, so no one has to install anything, but can play games, write emails, sh

But the web can change, to allow all kinds of online applications, running in a sandbox, so no one has to install anything, but can play games, write emails, share and edit images or whatever - all in the browser in one language. Ok, we might have to tweak js a bit, to get there ..