What matters is that in the next five years every person on this planet is going to be using a mobile device. And these devices are going to be used far more than any traditional computer ever has been and ever will be.
Don’t build an app based on your website. Build the app that acts as if websites never existed in the first place. Build the app for the person who has never used a desktop computer. Because they’re coming. Soon.
MG Siegler’s My Product Feedback wherein he begins by writing ‘Mobile’ 740 times in a row.