JIntroducing the new Bio-Optic Organized Knowledge device, trade named BOOK. BOOK is a revolutionary breakthrough in technology: no wires, no electric circuits, no batteries, nothing to be connected or switched on.  It’s so easy to use even a child can operate it.  Compact and portable, it can be used anywhere—even sitting in an armchair by the fire—yet it … Continue reading B.O.O.K.