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> that mostly has value on the perception that it's necessary This is known as the Amazon vacuum problem. Try buying a vacuum and your suggestions will be abou

• renewiltord 6y ago
  The best time to show you vacuum ads is right after you buy a vacuum because: * You have concrete intent * At a 5% return rate (pretty low), that's 5% you're going to buy the alternative
  • dorgo 6y ago
    That's the problem with advertisement. It's ok to annoy 95% to sell to 5%.
  • eitland 6y ago
    I hear that that explanation a lot. I'm not sure I buy it. As for why: 1. I don't have much data except myself but I can't remember buying from those ads. I can remember smiling at them a lot though. 2. That wouldn't explain why I get ads for the exact same product I bought. Here's another argument I remember from marketing at engineering school: Some marketing is justified even after the customer has bought -especially with expensive items - to make them feel like they did the right thing (which in turn should make them less likely to return it.)