THE INTRODUCTION
Yesterday I sent an email to the subscribers of my newsletter, in an attempt to find out how much the subject line will affect the opening rate. 24 hours have passed so it’s time to sum up the results a little bit. But first of all, why did I do this in the first place? This blog is about marketing and it’s supposed to help the readers to become better marketers. Real life experiments are the best way of learning something, I believe they are 10 times as valuable as