Trash Track covered by Massachusetts Institute of Technology:
http://web.mit.edu/newsoffice/2009/trash-0715.html
http://www.newscientist.com/article/dn17470-smart-tags-to-reveal-where-our-trash-ends-up.html
http://news.bbc.co.uk/2/hi/technology/8149183.stm
http://www.popsci.com/environment/article/2009-07/mit-wants-track-your-trash
http://www.wired.com/gadgetlab/2009/07/mit-trash-track/#more-20776
http://news.cnet.com/8301-11386_3-10287152-76.html
http://www.msnbc.msn.com/id/31928216/ns/us_news-environment/
http://www.itpro.co.uk/612757/boffins-tag-rubbish-in-mit-experiment