AFP - French researchers said on Wednesday they had invented a hydrogen fuel cell as a backup power source for mobile phones, thus easing dependence on an electricity supply to charge the gadget.

Reuters - CBS Corp on Wednesday announced the launch of an online ad network focused on college sports, in a move to entice media buyers to spend more money with the television broadcaster by offering them a way to more effectively target young, male fans.

AP - The government is quietly negotiating to help cell phone customers avoid expensive fees when they cancel contracts with wireless companies, The Associated Press has learned.

AP - Time Warner Inc. said Wednesday it would formally split off its cable TV business, giving the media conglomerate a $9.25 billion windfall and allowing it to focus on cable network, entertainment and publishing operations.

Reuters - Japanese videogame maker Square Enix Co Ltd (9684.T) said it is considering taking stakes in game developers to combat rising competition from established game publishers and other entertainment companies.