Although old write-up - around 09 i gather; gives lil insight on more ways sensors can be used n few new terms. Most importantly, we see that these new sensing-networks and their inherent onboard identifiers suk, really suck battery power; especially if ya ad higher functioning ones,. see: 7.4... (smiley)

BUILDING MOBILE SENSOR NETWORKS USING
SMARTPHONES AND WEB SERVICES:
RAMIFICATIONS AND DEVELOPMENT CHALLENGES

http://www.dre.vanderbilt.edu/~schmidt/PDF/hamilton-book-chapter.pdf

emit...