It was my birthday last week and my almost 80 year old father had been so kind to offer me some book certificates of bol.com (comparable to amazon.com). The certificates, however, could only be converted into e-books. Bol.com’s Customer Service confirmed to me it was impossible to exchange the certificates into traditional books. In the end I succeeded, but I don’t want to deprive my readers from the lessons learned for Lean e-tailing. (more…)