] Sensor networks promise a mammoth extension of the
] Internet. To date, the Web has been a showcase for the
] human brain. It specializes in the words, numbers, music,
] and images that mankind produces. With sensors, the
] network stretches to the far vaster field of global
] activity. This means such networks can cover every single
] thing that moves, grows, makes noise, or heats up.
] Potentially, much of the world will be bugged. Moreover,
] those bugs will be doing most of the work. "Most of the
] data traffic won't be between human beings this time
] around but between these silicon cockroaches,"

Fusing the data into a coherent picture sill still be a challenge.