barcoo is an App which supports allows for scanning barcodes with a mobile phone. It links products in stores with independent consumer information. Examples include product information and assessments, price comparison, test reports, health, and sustainability information.
B. Brandherm, J. Haupert, A. Kröner, M. Schmitz, and F. Lehmann. PerCom 2010 Workshops: Proceedings of the 8th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, Mannheim, Germany, page 768-771. (2010)