Mobile robots have been used for years by the military and law enforcement, but with falling costs, the next frontiers are the office, the hospital and the home.

: Sun, 05 Sep 2010 06:01:19 GMT

Craigslist, the classifieds Web site, has blocked access to its “adult services” section and replaced the link with a black label with the word “censored.”

: Sun, 05 Sep 2010 06:00:02 GMT

Elaborate requirements for account passwords may sound invincible, but experts say Americans aren’t paying enough attention to other online security threats.

: Sun, 05 Sep 2010 02:40:02 GMT

The actor Edward Norton and his partners started Crowdrise, with a mix of edginess and good-humored competition, to bolster online giving.

: Sun, 05 Sep 2010 03:17:19 GMT

Is there a better way to handle it than just a cold, calculated click?

: Sun, 05 Sep 2010 03:30:11 GMT

Google said that the Texas attorney general is conducting an antitrust review on the fairness of Google's search results.

: Sat, 04 Sep 2010 01:45:02 GMT

Google will update its privacy policies next month to offer simpler, more transparent language, but a privacy expert worry that the changes are actually bad for consumers.

: Sat, 04 Sep 2010 01:43:44 GMT

Apple's entry into social media has created bumps in its relationship with Facebook.

: Fri, 03 Sep 2010 03:59:06 GMT

People are increasingly watching YouTube videos on cellphone screens, which could lead to new kinds of videos and advertising.

: Fri, 03 Sep 2010 04:06:06 GMT

The Texas attorney general has opened an antitrust investigation into how Google ranks search results, striking at the heart of its main search business.

: Sat, 04 Sep 2010 04:50:02 GMT

The angst over net neutrality reaches from boardrooms to living rooms, but take heart: companies will breach its principles at their own peril. Consumers have come to expect an open Internet.

: Sat, 04 Sep 2010 04:40:02 GMT

YouTube is expected to turn a profit this year, on revenue of about $450 million, with help from its onetime critics.

: Fri, 03 Sep 2010 20:28:27 GMT

The publisher of the Grand Theft Auto video games raised its outlook on the strength of its newest release, Red Dead Redemption.

: Fri, 03 Sep 2010 05:01:04 GMT

I.B.M.'s strategy in the storage business has been guided by its research labs spotting future trends.

: Fri, 03 Sep 2010 14:43:09 GMT

Hewlett-Packard offered about $2.3 billion, ending an 18-day bidding war. The price reflects a growing urgency to use acquisitions to fuel growth.

: Fri, 03 Sep 2010 05:01:04 GMT

A consumer watchdog group began an advertising campaign aimed at Google and its chief executive. It hopes to create a "Do Not Track Me" list for Web users.

: Fri, 03 Sep 2010 20:26:05 GMT

Apple on Wednesday introduced a social media service geared to music lovers that is built into iTunes, revamped its lineup of iPods and unveiled an upgraded version of its set-top box.

: Fri, 03 Sep 2010 18:52:10 GMT

The book business tries to serve two readers, the one who loves the tactile page and the one who loves the digital ease.

: Fri, 03 Sep 2010 18:42:45 GMT

The F.C.C.’s decision to seek more comments on preserving an open and competitive Internet precludes any agency action before the midterm elections.

: Thu, 02 Sep 2010 04:44:06 GMT

The company said it wanted to keep better track of teachers who were new or who had departed and use more methods of communication.

: Thu, 02 Sep 2010 11:25:06 GMT

Swedish authorities said they reopened an investigation of rape allegations against Julian Assange.

: Thu, 02 Sep 2010 06:14:34 GMT

The government is looking to curb cellphone spam, pornography and fraud schemes.

: Thu, 02 Sep 2010 06:21:00 GMT

Virgin Mobile’s MiFi is nearly like the ones offered by Sprint and Verizon but with three exceptions: an unlimited data plan, no contract and a $40-a-month service fee.

: Thu, 02 Sep 2010 04:50:57 GMT

While none of the iPad cases are perfect, the variety is endless; one even has a 100-year warranty.

: Thu, 02 Sep 2010 05:42:38 GMT

Two apps, Cardstar and Key Ring, serve as repositories for your loyalty shopping card numbers. You just hand your phone to the cashier at checkout.

: Thu, 02 Sep 2010 05:01:11 GMT

Apple's new music social network is especially vulnerable to spam, a security firm says.

: Sat, 04 Sep 2010 01:56:51 GMT

A widely circulated message on Facebook is spreading some misinformation about the site's Places service.

: Sat, 04 Sep 2010 01:56:35 GMT

Sony's new PlayStation Move gives the Nintendo Wii some competition.

: Sat, 04 Sep 2010 02:00:02 GMT