I recently spoke to the founder of an innovative email service company called Buttondown Email. No, I don't know the founder. No, this was not an interview for my blog. This was a sales enquiry. I contacted the sales staff as I required a custom premium feature and to my suprise the founder of the company, Justin Duke, responded to me. What the heck!!!! This guy runs a decent sized technology company and personally responds to sales requests. It felt like the equivalent of me walking into a l...