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by Rastonbury 2343 days ago
Did you read the article? Your last paragraph refers to a demographic and should be accounted for in a rung in the awareness ladder.

The reason people focus on conversion rate is because you can easily calculate spend and predict RoI. Coke can spend on a TV ad because it's a drop in the bucket but every dollar is valuable to a bootstrapped company. Exactly why you want to know what you'll get before one blow 50k on adwords.