Information overload is not a clear-cut concept. To understand the concept we studied knowledge workers in their organizational context applying different design methods. These methods are increasingly used to inspire designers in designing technology solutions. However, for understanding ambiguous concepts they are less common. We compared critical incidents collection, cultural probing and storytelling with respect to their contribution to articulate the concept of information overload and to understand why respondents perceive information overload as problematic. At the same time, these insights will steer us towards practical guidelines and technological solutions bridging the gap between understanding human behaviour and (technological) support. Copyright the author(s) and CHISIG.