When two technology researchers said they had wirelessly hacked a Jeep Cherokee through its internet-connected system, taking control of the engine, brakes and even steering under certain conditions, automakers scrambled to reassure customers that security was a top priority.

A recent favorable opinion by U.S. Supreme Court Justice Anthony Kennedy plus increased action in Congress have made it more likely than it has been in 50 years that out-of-state retailers will be forced to collect sales taxes in states where they don't have a physical presence. Half a century ago, of course, the volume generated by such sellers, who did their business via catalogs and snail mail, was tiny compared to the sales spawned by the rise of the internet.

Mercedes-Benz is investing hundreds of millions in a global reorganization of its supply chain network that will set the course for growth and efficiency with the goal of reducing supply chain costs by 20 percent per vehicle.