Here are the six 'dark pattern' tricks that Amazon used to get and keep people subscribed to Prime, according to the FTC

The signup page for an Amazon Prime account says that it’s only $14.99 a month, and consumers can cancel anytime. 

But the steps to canceling a subscription can be so burdensome and tricky to navigate that consumers might ultimately decide to just keep it, the Federal Trade Commission argued in a lawsuit against Amazon this week.