A coke drum waits along Montana's U.S. Highway 12 during a dry-run shipment in early March. The load can travel only late at night and is destined for a new oil refinery in Billings, Mont.
Emily Fernandez, holding her daughter Bethany, uses her Nook e-reader to browse some books at a Barnes & Noble in Hackensack, N.J. Privacy advocates are concerned about the data that manufacturers may be able to collect from e-readers.
A personal iPhone can be set up to receive company e-mail via a Microsoft Exchange Server. But once it is set up, the phone can receive a variety of commands from the server including a remote wipe, which can destroy all the data and disable the phone.