Happiness_Door_Poster_(A0 format)
Reading Time: < 1 minute Reading Time: 2 minutes The Happiness Door is one of the Management 3.0 practices. It is a tool to give feedback continuously in workshops, events, or meetings in three categories: things that make attendees happy, things they feel neutral about and things they didn’t like. Usually, it is either an empty flipchart or a collection of post-its.