There will be basically one software to access the web (Chrome and its derivatives), one entity to de-facto dictate the content (by choosing which standards to implement and which sites to add to blocklists "for safety reasons").
We've been seeing efforts to remove the URL bar for years and years now. How long until we're back at AOL Keywords?
We'll need a grassroots movement to either re-democratize the web (by building interoperable, semantic sites) or move to a new set of protocols & tools.