Combine an open source Browser, with Web 2.0 and some Venture Capitalists, throw in the Browser Wars, simmer and pull out.... Flock.Flock takes a slightly-behind-the-bleeding-edge version of Firefox and integrates into it the idea of a socially interconnected web - your Favourites feed straight from you del.icio.us account and it integrates from the browser with your Blogger (or other preferred)