To which length would you go to not disturb while you are reading? To quite some length if we should believe the history of design. We all know the Gibigiana of Achille Castiglioni.
The same idea was explored with the light finder, but only developed for writing. Although we are writing more for each day on computers, the ability to write using your hand is still important for your daily life. Studies even say that it is important for your intelligence.
The light finder is an simple object. A small piece of aluminium, turned to fit around any pen. Led lights to light up only the area that is needed for the user. Blocking parts of the glass in front of the LEDs would allow the light finder to instruct the user what it needs to draw or write.