Posted in UncategorizedO’Reilly: What Is Web 2.0by beewax•November 26, 2005•0 Like many important concepts, Web 2.0 doesn’t have a hard boundary, but rather, a gravitational core. You can visualize Web 2.0 as a set of principles and practices that tie together a veritable solar system of sites that demonstrate some or all of those principles, at a varying distance from that core.O’Reilly: What Is Web 2.0: beewax More by beewax