I'm with you here. I was having an argument with someone about how Amazon has already conquered the target-upsell-intelligence space, and just as he was saying

I'm with you here. I was having an argument with someone about how Amazon has already conquered the target-upsell-intelligence space, and just as he was saying that, I saw numerous ads for something I already bought - same pictures, different sellers. How many of this lens do they think I need? This is a great example of something being an obvious correlation in "computer science land" often doesn't really bump the numbers as it might.