Categories agile english sketchnote Joseph Perline’s 3 Questions Post author By Martien van Steenbergen Post date June 6, 2012 Joseph Perline’s 3 Questions: When do you want to know you have a problem? What are you prepared to throw away? What does that mean? By Martien van Steenbergen Martien is a Visioneer and touched by software. people | software | happiness™ View Archive → ← Certified Scrum Master training for Informaat with Joseph Perline → Joseph Perline’s 3 Rules