Reader, you're doing email wrong. I was too for years. We think an email needs to be a long, meaty newsletter full of links and content. It's not. It's a bomb of information that people instantly archive. The magic formula is simple: Less content, more emails. If you have four great tips, don't stuff them into one long email. Break it into four sharp, punchy emails sent over four weeks. This is the core of EMO (Email Marketing Optimisation) formula. You are optimising for attention. You need...