With a market cap of over $260 billion, Amazon is the most valuable retailer in the world,beating out even the juggernaut Walmart.

But the story of how Amazon got there is one of single-minded focus.

Thanks to the leadership of reclusive founder and CEO Jeff Bezos, and a willingness to look totally insane to investors and customers alike, Amazon was able to weather the dot-com bubble burst and turn online shopping into a matter of habit for consumers all over the globe.

Here’s how Amazon stopped at nothing to go from Jeff Bezos’ garage to international mega-brand.