Amazon's power continues to grow by leaps and bounds, and even brands that had shunned the online retail giant are deciding that they can't afford not to sell through Amazon channels.
For retailers not named Amazon, the company's unrelenting march towards retail dominance is no doubt discouraging. But every Goliath has its David and Amazon is not impervious to competition.
Here are four weakness Amazon has that other retailers might be able to take advantage of.