"PopG based Groove is seen as a liberating technology"

That is how www.info-share.org see things from Sri Lanka as they look back at the early days of post-Tsunami. If you want to read the full report on the technologies used read http://denver.popg.net/pub/popg_docs/IS%20and%20Tsunami.pdf which, looking forward emphasises the values of mobile technologies such as phones in such an aftermath.