Collaboration tools such as blogs and wikis are staking out ground inside businesses--and are often brought in by the end users themselves. Martin LaMonica is a senior writer covering green tech and ...

Tim O'Reilly takes another whack at defining Web 2.0 with new, more compact paragraph to capture the essence of the term, concept, movement, trend, fad, flavor or whatever you want to call it. Web 2.0 ...