Related... someone should write a good article about estimating customer acquisition costs (CAC, or ROI if you prefer) based on conversion rates of ads. It dri

Related... someone should write a good article about estimating customer acquisition costs (CAC, or ROI if you prefer) based on conversion rates of ads. It drives me batty when people tell me their "average" conversion rate is 1% after running a $25 ad campaign with so few clicks. It seems like too many folks are just oblivious to sample size, confidence interval, and power calculations -- something that could be solved with a quick Wikipedia search [1]. [1] https://en.wikipedia.org/wiki/Sample_size_determination https://en.wikipedia.org/wiki/Sample_size_determination