A technology expert said Wednesday that potentially years' worth of Mayor Ray Nagin's e-mails have been deleted.  read more

Companies that track consumer behavior online for advertising purposes are vowing to make their practices more transparent and to give people a way to decline being shadowed.  read more

The government is helping two dozen TV stations that became difficult to receive by antenna when they switched to new frequencies as part of the digital TV transition, the Federal Communications Commission said Thursday.  read more

In a big break for online shoppers, Web retailers generally don't have to charge sales taxes in states where they lack a store or some other physical presence.  read more

The Associated Press is digitizing and has begun to release a "treasure trove" of historical film footage from the 1960s and '70s that had been sitting in Gen. Dwight D. Eisenhower's former World War II headquarters in London.  read more

The Obama administration is moving cautiously on a new pilot program that would both detect and stop cyber attacks against government computers, while trying to ensure citizen privacy protections.  read more