The next (or after the next) Microsoft-Google-Apple-Facebook size tech company will be a healthcare company.

There is no reason access to healthcare can't be as streamlined and cheap as calling an Uber. In addition to diagnosis AI should be able to strip out nearly all of the administrative & clerical layer. Self driving vehicles + drones can reduce the need for large complex hospitals. All of this could not just be a convenience, but mandatory in a post-antibiotic world.

Because of regulatory issues, while this may be an American company, it would be available for Americans for quite some time.