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They capture around 15% of global ad spending.

$200bn annual revenue with a 5x sales multiple gets you to a trillion dollars.

Turns out sucking up all the information there is and displaying ads is worth a lot.

That’s still a little mind boggling.

They don’t make anything or directly help somebody else make something.

they provide a platform that can maybe sometimes nudges an individual purchasing decisions in one direction.

because it is all made up