Over on TPM Cafe activist Ben Naimark-Rowse has a rundown of online advocacy efforts around Darfur. In brief, Naimark-Rowse highlights the Genocide Prevention Mapping Initiative that I discussed here, the Save Darfur Coalition's Million Voices for Darfur, the Genocide Intervention Network's divestment campaign, and the 24Hours for Darfur video library.

"Howard" hints at what I think is a compelling point in the comments. If my memory is serving me right, the most potent examples of "web 2.0" being used to create large-scale change in one country or another involved the efforts of the people who live there. See, for example, the use of Google satellite maps in Bahrain or the "Hello Garci"cell phone ringtones in the Philippines. Have we seen yet an example of anyone using Internet tools to affect wide spread change in a country other than their own?

(Of course, the most obvious example of external intervention by people thousands of miles away that did seem to have an effect might be the divestment movement aimed at apartheid-era South Africa. But that was certainly pre-Internet.)