Amazon has a secret weapon that is crushing the competition (AMZN)

Amazon is taking over the world, and it has one secret weapon making its conquest possible.
The online retailer blows its competition out of the water when it comes to customer loyalty. In a recent survey from RBC Capital Markets, 93% of the 2,200 Americans surveyed said they use Amazon more than any other online retailer over the past year. That's quite the market penetration.
Amazon isn't just good, it's getting better. In 2015, the gap between Amazon and the next closest retailer,