Depends on how lucrative your users are to advertisers. If your newsletter was read by 100 CEOs of Fortune 500 companies, I doubt you would have a hard time f

Depends on how lucrative your users are to advertisers. If your newsletter was read by 100 CEOs of Fortune 500 companies, I doubt you would have a hard time finding advertisers. Social network "junk traffic" is not particularly valuable. You would need millions of page views just to get in the door of major media buyers. Adsense is a different story - you don't need page views to get started.