maps

I've wondered about this. Long gone are the days of privacy. How Does Google Maps Know Where Traffic Is?

"Well, according to a survey of 800 drivers Rand McNally conducted at the Mid America Trucking Show last month, the bulk of them still use paper maps in some shape or form – with 15% saying it’s their primary navigation tool."....... The paper map: Obsolete? Or old school trucker standby still?