Margaret Heffernan

In 2009, novelty toymaker Maxfield & Oberton released Buckyballs, sets of curiously powerful magnetic marbles that became the most popular cubicle toy since the Rubik's Cube, selling more than 2 million units in 15 countries.

Parallel parking is desirable for two reasons: parked cars create a physical barrier and psychological buffer that protects pedestrians on the sidewalk from moving vehicles; and a rich supply of parallel parking can eliminate the need for parking lots, which are extremely destructive of the civic fabric.