Luarnet

TrackStick suena interesante. También da un poco de miedo. Aunque también parece inútil:

The Track Stick records its own location, time, date, speed, heading and altitude at preset intervals. With over 1Mb of memory, it can store months of travel information.

Sobre el funcionamiento:

The Track Stick receives signals from twenty four satellites orbiting the earth. With this […]