I could turn this into a rant against nanny-statism

Bruce Tognazzini says: When children sitting in front seats of cars were killed by airbags, the experts decreed that children henceforth shall sit in special chairs in the back. Problem: out of sight too often leads to out of mind; sometimes a child in the back seat is forgotten and dies of the heat. Tog has some suggestions. (Linked by David Cary.)