INTRODUCTION
No sooner have CIOs and IT departments come to terms with the demands of SOA and BPM than they find themselves confronted with a new challenge: Web 2.0. Enthusiasm for this new phenomenon is sweeping the world. It began in the ranks of bloggers, but quickly spread to the technorati, journalists, industry analysts, and would-be trendsetters. We have now reached the point where vendors are apt to feel naked if they appear in public without a convincing Web 2.0 story.