'Lessons learned': too little, too late!
Have you noticed that 'lessons learned' sessions are often a round of high fives or blame and recrimination at the end of a project, rather than a dynamic tool to build project success? A lessons learned session is when the project team and key stakeholders review what has gone well and poorly in a project, builds a clear understanding of why and uses that to come up with lessons (advice for a similar situation to get an better outcome) and discrete actions (to improve the normal way of doing things).