Amazon found a way to charge 200 million people for something they already owned. Twice.Step 1: Insert ads into a product people were already paying $139/year for. Step 2: Charge $2.99/mo to remove the ads you just added. Step 3: Take away 4K, which was free for years. Step 4: Charge $4.99/mo to get it back.Total time: 26 months. Total new revenue at even 15% conversion: $1.8 billion per year.The genius is the sequencing. No single step is outrageous enough to cancel over. You don't cancel Prime