From Jeff Burke @ UCLA’s Center for Embedded Network Sensing ( CENS – http://research.cens.ucla.edu/ )
just released report on “Participatory Sensing” using mobile handsets from the Woodrow Wilson International Center for Scholars:
http://wilsoncenter.org/topics/docs/participatory_sensing.pdf
And the press release
http://wilsoncenter.org/index.cfm?topic_id=1414&fuseaction=topics.item&news_id=533675