Technology
Apparently a normal ink pen, it contains a micro-camera
that can acquire handwriting through the reading of a
positional grid on paper.
An internal memory can store about one hundred A4 sheets.
Through a bluetooth connection and a cellular phone
the data transmission can be real time. 
Alternatively, an inkpot connected to the PC through a USB port allows
a differed transmission besides the recharging of the pen.
The pen turns on when the cap is removed.
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