Cellphone vigilantes try signal disobedience
As cellphone use has skyrocketed, a band of rebels is turning to the cellphone jammer, which renders nearby mobile devices impotent.

Wireless: Ads targeting cellphone's location
With location-based advertising, the restaurant will be sending a text message when the cellphone user walks by, perhaps offering a discount coupon that expires an hour later.

On advertising: Dentsu looking outside of Japan
The agency's acquisition of a small British firm is a first step in an effort to serve Japanese companies in foreign markets.

U.S. regulators to exert more control over online marketing
The Federal Trade Commission is looking at how much control people need or want over the information that corporations collect about Internet users.

IBM to step up data security services
It announced plans Thursday to spend $1.5 billion next year to develop and market products that help customers secure data and comply with new rules for guarding information.

In New York City schools, considering cellphones as incentives
The district's chief equality officer, a Harvard economist, is prepared to introduce the plan in a district that has banned cellphones in schools.

Talks between Hollywood writers and producers break down
The latest contract was allowed to expire Wednesday, opening up the possibility that members of the writers' unions may strike if a deal is not soon reached.

Cisco to join Alibaba in expansion in China
The firms agreed to explore collaboration in Web-based business services for small and medium-size companies.

Alcatel cuts deeper as makeover stalls
The troubled telecommunications equipment maker said it would cut 4,000 more jobs as it works to streamline operations 18 months after Alcatel acquired Lucent.

Google creates alliance to challenge Facebook
On Thursday, an alliance of companies led by Google plans to begin introducing a common set of standards to allow software developers to write programs for Google's social network, Orkut, as well as others, including LinkedIn, hi5, Friendster, Plaxo and Ning.
- Google stock price soars above $700 for first time