What we now call the browser is whatever defines the web. What fits in the browser is the World Wide Web and a number of trivial standards to handle that so that the content comes. ↗
I don't know whether machine translation will eventually get good enough to allow us to browse people's websites in different languages so you can see how they live in different countries. ↗
I think we're proving ourselves as we go along. The past several months our strategy has been evolutionary - making maximum advantage of our client browser, as well as our enterprise software for people who want to build Web sites. ↗