Technology - AP

WASHINGTON - 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.

NEW YORK - 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.

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.

BEIJING - Several PC makers were including controversial Internet-filtering software with computers shipped in China on Thursday despite a government decision to postpone its plan to make such a step mandatory.

NEW YORK - Facebook is overhauling its privacy controls over the next several weeks in an attempt to simplify its users' ability to control who sees the information they share on the site.

TOKYO - When the Sony Walkman went on sale 30 years ago, it was shown off by a skateboarder to illustrate how the portable cassette-tape player delivered music on-the-go — a totally innovative idea back in 1979.

SAN FRANCISCO - Sometimes Twitter can make newcomers feel like twits because the online messaging service isn't as simple as it sounds.

NEW YORK - 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.

NEW YORK - If shopping for household essentials like toilet paper and soap isn't your favorite activity, a new Web site might eliminate the task — while saving you cash.

NEW YORK - 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.