Web 2.0 is a crucial development arising from latest state of the art Internet technologies. It encourages a process of dialogue among users to generate value-added digital content This trend encompasses multiple aspects of everyday life, and can foster social changes. By formulating principles based upon Web 2.0's development to date, we attempt to analyze and understand the possibilities for utilizing Web 2.0 as a platform to facilitate and integrate public participation Such Web 2.0 paradigm offers great hope for innovations in the future dissemination and utilization of public information of Taiwan Our discussion also compares various cases drawn from the US, discuss about the policy of utilizing Web 2.0, and concludes on a note of optimism regarding the prospects for new paradigm in Taiwan's public participation.