According to the World Economic Forum (Supply Chain Decarbonization Report 2009), the overall capacity use of EU transport networks is less than 50%. Horizontal collaboration offers a radically new way to organize supply networks and realize 2-digit improvements in logistics cost, service level and sustainability. Some of the largest corporations in the world are currently gearing up to bundle their supply chains by creating logistics communities built on trust, synergy and gain sharing. This presentation provides a brief summary of terms, concepts and examples which are relevant to this highly innovative and rapidly evolving domain.