So why would advertisers pay for this? Surely people will sign up for thousands of email accounts, subscribe them all to every mailing list, then collect free m

So why would advertisers pay for this? Surely people will sign up for thousands of email accounts, subscribe them all to every mailing list, then collect free money? Back when there were “get paid to view ads” toolbars, they wee full of intrusive code that would ensure that you are looking at the ads and not just leaving your computer running unattended. I don’t think this will fly for email, so fraud would be rampant