It is important to recognize, however, "Web 2.0" is not anything other than the evolving Web as it exists today. It is the same Web that we've had all along. But the problems, issues, and technologies we're dealing with are in many ways different, and so using the term "Web 2.0" is a  recognition that the Web is in a constant state of change, and that we have entered a new era of networked participation.