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

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.

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

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

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

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

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.

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

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.

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.

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

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

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.

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

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

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

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

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

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

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

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.

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.

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.