“Amazon single-handedly — and permanently — raised the bar for convenience in online shopping. That, in turn, forever changed the types of products shoppers were willing to buy online … But the idea came with huge risks, and it spurred real tension inside Amazon. Some managers resented that their projects appeared to be deprioritized for a secret program they knew little about. Others feared that Amazon’s top customers were going to abuse the program and ultimately bankrupt the company with soaring shipping costs.” ReCode: The making of Amazon Prime, the internet’s most successful and devastating membership program.