https://motherboard.vice.com/en_us/article/594b8a/guide-to-amazon-prime-day-2018-best-deals > Today is Amazon Prime Day, a 36-hour shopping event invented to celebrate Jeff Bezos’s online marketplace dominance. > It’s hard to remember a time before this invented holiday “Prime Day,” but it started just three years ago in 2015, on Amazon’s 20th birthday. The following year, the company saw a 60 percent jump in orders placed on Prime Day.