For a teacher who experienced at least once the unique charm of the smart lessons, going back to the rigid routine of the manual and the notebook is akin to the story of a fantastic stud who, after feeding on glowing embers, is forced to return to a state of gaunt horsey, dreaming of the sun light glimpsed through the cracks of his stall walls. The comparison is clearly exaggerated, precisely for raising awareness on the urgency of accepting this wonderful trip to the future, in the company of an anonymous serving as your guide.