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by mikedouglas 3429 days ago
It's not a viable way to look at investing in ad companies. Advertising has historically been zero-sum (about 2% of the economy), and there's huge returns to scale (more data, bigger advertisers, etc). Unless your inventory is unique (which it isn't), you need reach (which is why TV is/was such a great platform). Look at Twitter, which is having a extremely difficult time w/ ads because of that lack of scale.

In ads, you want to be GOOG/FB, not TWTR.