"Off course click through and conversion rates don’t increase as much as open rates but increases from 20% to 50% are normal, and that’s a lot."
Or in other words, this methodology STUFFS SPAM into people's main inboxes. DIAF, "email marketers".
I am talking about people who actually subscribed to the newsletter. If you don't like to read that kind of emails you can always unsubscribe. I would actually prefer if people not reading the newsletter unsubscribed from it so I can send it only to people who would like to read it and lower my costs.