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Why I Care About Problem Size More Than Market Size

Hunter Walk
1 min readApr 25, 2017

For seed investors, overfocusing on TAM (total addressable market) can be a trap. It causes founders to think that displaying a generic sizable dollar stat (“$150 billion is spent on Education annually”) is sufficient versus really spending time understanding important characteristics about the problem they’re solving. Namely,

  • Is the problem large?
  • Is the problem urgent?
  • Is the problem valuable?

One of three and you don’t have a business. Two of three and you have a business, perhaps just not venture-scale (nothing wrong with that!). Three of three and I’m interested.

Here’s my presentation on this topic from LAUNCH Festival earlier this month. It doesn’t hold up as well if I’m not ranting and gesticulating.

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Hunter Walk
Hunter Walk

Written by Hunter Walk

You’ll find me @homebrew , Seed Stage Venture Fund w @satyap . Previously made products at YouTube, Google & SecondLife. Married to @cbarlerin .

Responses (9)

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Think this is more a problem with founders associating top-down market-sizing with TAM than TAM in general.
Another way to look at TAM would be bottom-up. i.e. Rather than saying “$X is spent on education each year,” the founders might say “if…

3

Liking the re-frame of how to think about the market and great point about the 2 out of 3. Too often people try to “force fit” the nature of their business and market into a VC-type profile when sometimes…it shouldn’t be and that is ok!

2

This is amazing. Thanks for sharing!