Smart Dust has the potential to replace ...

In the near future, Smart Dust will mainly replace surveillance and tracking tools such as cameras and movement detectors. You might wonder why only these systems? Well, numerous articles (Hoffman, 2003; M2 Communications, 2005) describe Smart Dust core operations or tasks as monitoring and tracking a wide variety of information.

http://www.computerworld.com/s/article/79572/Smart_Dust