clipped from: blogs.zdnet.com   
An Anatomy of Emerging Networked Software Models at the Beginning of the 21st Century: Web 2.0 and Enterprise 2.0
  • Harnessing Collective Intelligence: Sometimes described as the core pattern of Web 2.0, this describes architectures of participation that embraces the effective use of network effects and feedback loops to create systems that get better the more that people use them.
  • Data is the Next "Intel Inside": A phrase that captures the fact that information that information has become as important, or more important, than software, which has become relentlessly commoditized.
  • Innovation in Assembly: The Web has become a massive source of small pieces of data and services, loosely joined, increasing the recombinant possibilities and unintended uses of systems and information.