This, from the New York Times, as linked to by Drudge: the federal government wants to regulate navigation systems in cars, both built-in systems and phone/tablet apps that can be used for navigation. Their voluntary standard is this: Last year, after negotiations with the industry, the Transportation Department released voluntary guidelines for automakers stipulating that any navigation system should not take more than two seconds for a single interaction, and 12 seconds total. Not mentioned in this article, but elsewhere... Read more