There is a lively debate in the UK about the influence of Web 2.o on eReseach and new computing research infrastructures.  The eScience institute in Edinburgh has a theme relating to this which is led by Professors Mark Baker and David De Roure.

The number of Web 2.0 services and applications, widely used by Internet users, academics, industry and enterprise, are growing rapidly, which demonstrates its solid foundations. These technologies and services are based on the open standards that underpin the Internet and Web, and are used in many forms, e.g. blogs, wikis, mashups, social websites, podcasting and content tagging. This field is having a significant impact on distributed infrastructure and applications, and on the way users and developers interact (link).