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kebrus t1_iuha78f wrote on October 31, 2022 at 9:52 AM

Reply to comment by affluent_krunch in ELI5 How is advertising effectiveness tested? by DarthChicken89

But how do you know if it was effective, you can have a metric saying X amount of people saw your ad but doesn't necessarily equates to sales, how do you know the conversion between the amount of people that saw an ad and the sales that generated?