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Re:Ask HN: Why is Prime Day so hard? by mtmail on Wednesday October 14, 2020 @03:30PM (#24780555)
I see Prime Day as their way to clear the warehouse shelves. You're right, best would be to present products to the user they actually want. But maybe the aim is to display those products which usually aren't displayed, the long tail, the random ones.

(Used to work at Amazon, but back then they didn't have Prime Day yet).

Re:Ask HN: Why is Prime Day so hard? by giantg2 on Thursday October 15, 2020 @07:21AM (#24787333)
I agree with this. Their goal is to get people to buy the stuff they normally wouldn't. They know you're already going to buy your normal items, so cutting you a break on those doesn't help them. Instead, they want you to buy that steam vacuum that you'll use a couple times and then forget about it or realize those messy kids never give the time to use it.
Re:Ask HN: Why is Prime Day so hard? by 8note on Wednesday October 14, 2020 @08:37PM (#24783465)
Isn't it a big load test? Make sure the right number of servers have been bought for Q4, and scaling bugs get fixed