Even before NHTSA officials began talking about formal guidelines, car makers had adopted their own standards for designing safe infotainment systems, including a requirement that no task should require a driver to look away from the road for more than 15 seconds.

WSJ: Dashboard Multimedia Systems Get Redesigns, Draw Scrutiny

The second task was to find out whether having an unusual hippocampus makes you more likely to become a taxi driver, or whether becoming a taxi driver causes your hippocampus to become unusual.

ECONOMIST: Neuroscience: Taxicology | The