Zhang Lei talks about Web2.0 from BLOG to Wiki, long trail domino effect, six angle division, Yatrack and Ajax.

• 张磊同学从BLOG谈起，逐个评点了Wiki、长尾效应、六度分割，最后祭出了Yatrack大旗，挥舞着Ajax，追逐web2.；0的滚滚浪潮冲杀而去。