I previously blogged about and summarized the Lean Startup methodology and requesting customer interviews. Lean Startup literature make it sound as if customer development is hard work, but manageable. Well, even that is an understatement: even requesting customer interviews is hard! I spent the past month contacting 40 people by phone, email and LinkedIn. Here are the biggest issues I ran into and the biggest lessons I learned while doing customer development in the Netherlands, in a B2B context.