Amazon's aggressive expansion into new industries has terrified competitors.
Here are eight industries threatened by Amazon's growth, from shoe stores to healthcare businesses.
President Donald Trump seems determined to take down Amazon as the e-commerce juggernaut expands its reach.
"Unlike others, they pay little or no taxes to state & local governments, use our Postal System as their Delivery Boy (causing tremendous loss to the U.S.), and are putting many thousands of retailers out of business!" Trump tweeted on Thursday morning.
Trump has a history of criticizing Amazon. The president argues that Amazon has unfairly received prime tax benefits and preferential treatment from the US Postal Service, hurting brick-and-mortar retailers.
While Amazon denies that its aggressive growth hurts competitors, many analysts and executives agree that, often, when Amazon enters a new industry, rivals suffer.
These are eight industries that have been threatened by Amazon's increasing domination:
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