Cash is king. Well, actually, Amazon is king. And it certainly creates a lot of cash. Not only does Amazon continue to dominate e-commerce, but it also impacts almost every line of business—from supermarkets to web services. Now it’s even getting into pharmaceuticals.

The folks over at Amazon are not dumb. They test, and they try. Often times, they even fail. But while they push the limits of getting to market, they’ve also proven to be patient. More importantly, they’re very calculated.