But functional product differentiation is exactly what the rivalry between the Airbus A380 and the Boeing 787 Dreamliner is all about: Two companies with fundamentally different products, based on diametricallyopposite visions of the future, engaged in a Hatfields versus McCoys battle with billions of dollars at stake.
This is a somewhat beguiling metric to compare companies by -- market cap measures the value of a company's shares available on the market, and not every company has the same proportion of its overall value available in stocks -- but it illustrates well the diametricallyopposite directions in which the two mobile phone makers are moving.