> They must be making a return on their investment, otherwise why would they do it? Because of Facebook's advertising that says they should. Or independent co

> They must be making a return on their investment, otherwise why would they do it? Because of Facebook's advertising that says they should. Or independent contractors who will helpfully create an ad campaign that will "earn 6x their investment". There's plenty of stories out there of folks who actually put in the effort to measure the income generated by FB and Google ads, and they aren't flattering.