http://qdub.disqus.com/enSun, 23 Nov 2008 01:11:29 -0000http://qwang.net/20080402/a-classic-from-paul-graham/#comment-3965262Right, so with each step you move towards a finished product, the materials moves further downstream along the river.qdubSun, 23 Nov 2008 01:11:29 -0000http://qwang.net/20080402/a-classic-from-paul-graham/#comment-3965222Downstream customers are those closer to sale rather than the manufacturing side.jenfersSun, 23 Nov 2008 01:04:06 -0000