"Prediction is very difficult, especially about the future” – Niels Bohr, Danish physicist. For better or for worse, most times estimation is not optional during software development projects. And there are some key questions about it, which sooner or later, anyone involved in such activities does wonder about. Why do we even care about estimations? What are the outcomes that we obtain from estimating – if any? When should I provide estimations? What am I supposed to measure when estimating? Which artifacts are subjected to receive estimations? Are there any helpful tools or techniques? When are we going to deliver? … You’re invited to join us in this interactive discussion about Agile Estimation, where you’ll be challenged to expand the former list and receive some useful answers!