Rob Walling is the founder of email marketing tool Drip and the owner of SEO keyword tool HitTail. He's also the author of the book "Start Small, Stay Small: A Developer's Guide to Launching a Startup". And his blog "Software by Rob" is a top 20 startup blog and is read by about 20,000 web entrepreneurs each month. When Rob launched Drip, he was doing $7K in monthly recurring revenue. But he quickly realized that his revenue had already flat-lined and that he had a high customer churn problem. In this episode, we talk about the 'semi-pivot' that Rob made and how that exploded revenue growth for Drip