In this article, I introduce the exciting paradigm of citizen sensing enabled by mobile sensors and human computing - that is, humans as citizens on the ubiquitous Web, acting as sensors and sharing their observations and views using mobile devices and Web 2.0 services.
Sheth, A. P.
(2009). Citizen Sensing, Social Signals, and Enriching Human Experience. IEEE Internet Computing, 13 (4), 87-92.