Barrapunto

Pues sí, mira tú por donde el concepto de smart-dust consiste precisamente en eso:

Researchers at the Defense Advanced Research Projects Agency (Darpa) proposed the smart-dust concept four years ago. The idea was to sprinkle thousands of tiny wireless sensors on a battlefield to monitor enemy movements without alerting the enemy to their presence. By self-organizing into a sensor network, smart dust would filter raw data for relevance before relaying only the important findings to central command.

Cita extraída de Companies test prototype wireless-sensor nets [eet.com]