A disruptive genre? It seems clear that the abundance of new communications tools and techniques challenges parts of our worldview or better we are in a need to adjust or re-constitute what we conceive as important.

Soldier blogs raise concerns in US: ” It facilitates communication between soldiers and society and yet “creates new leadership challenges, an explosion of information fostering multiple truths, information overload, and the potential for operational security issues,” The Christian Science Monitor quoted Dr.

If you introduce a novel factor into an activity system, and the participants of such a system learn a new domain knowledge a secondary contradiction might happen. Those (local) innovations challenge the entire system.

Those secondary contradictions of the activity are the moving force behind disturbances and innovations, and eventually behind the change and development of the system.

[...], human cognition is mediated not only by
computer artifacts. Underneath this, the activity is historically
crystallized in these artifacts. (Susanne Bødker, Computers in mediated
human activity, 1997)

It’s again about journalism and new technologies and formats. Seems as if technology has – against lots of arguments – a lot of impact on how we understand (construct) our view of the world.
The Catholic Highschool of Limburg started a Wiki as part of their Communication and Multmedia Design program. You are invited to join their effort to collect relevant papers and articles and else at this place. They make usage of student blogs as well.
Their overall mission is: to give an overview of how new media influenced the creation of content.