Agile之後是什麼

當一堆人還不清楚什麼是Agile Software Development/Agile Project Management時，已經有人開始在思考下一步了

• What comes after usability: http://headrush.typepad.com/creating_passionate_users/2007/01/what_comes_afte.html
• Flow theory: http://www.jenovachen.com/flowingames/flowtheory.htm