20 years ago, almost none of that stuff existed. It's entirely possible that whatever exists 20 years from now will all be Rust. I don't think that's likely, bu

20 years ago, almost none of that stuff existed. It's entirely possible that whatever exists 20 years from now will all be Rust. I don't think that's likely, but I think it's more likely than the landscape you describe still existing in any recognizable form.