Prime Day 2018 was the single largest shopping event in Amazon’s history. More than 100 million items were sold during the 36-hour event. That’s more than 771 items per second. It had a 6% increase in conversions from the year before showing steady growth and was a 121% increase from the previous week. Meaning Prime Day and the adjoining days are a cash cow for the company and its affiliates. This year, the number of participating countries has expanded to 18, also showing growth, and it is expected to expand even more in the future.