January 27, 2014 - 4:49 pm ET (Bloomberg) -- Warren Buffett's Berkshire Hathaway Inc. is betting on a service that helps companies including Ford Motor Co. and Daimler AG's Mercedes-Benz provide live, in-car support to drivers.Berkshire agreed Monday to buy the assets of MyAssist Inc., a concierge and personal-assistant service, from Noel Group, according to a statement from a unit of Buffett's Om