Russian telecommunications firm calls in $1.35 billion debt from Cukurova.
The Russian company, Altimo, owns a stake in Turkcell, which is controlled by Cukurova.

Sharp Electronics aims to explain 'what solar is all about'
Using the ad agency ReichesBaird, the subsidiary of the Japanese company and one of the biggest makers of rooftop solar panels has embarked on a six-month campaign to teach homeowners in California about how the process functions.

From reality TV, video games
Electronic Arts, the largest video game publisher in the world, and Endemol, the developer of reality TV shows like "Big Brother," announced a partnership to create online versions of the format.

Microsoft raises antitrust concerns over Google's purchase of DoubleClick
Microsoft was joined by AT&T in saying that antitrust authorities in the United States should examine whether the Google-DoubleClick deal will reduce competition in online advertising.

Yahoo announces online ad deal with publishers
The move indicated that Google and Yahoo, two giants of the online advertising business, were are set to encroach on each other's turf even more aggressively than before.

Intel unveils faster chips at Beijing conference
Intel, the world's largest semiconductor maker, unveiled new processors that clock up computer speed and use less electricity, putting pressure on its rival, Advanced Micro Devices.

Google gets Clear Channel in radio ad market
Google will begin selling advertisements across all of the stations of Clear Channel Communications, the No.1 radio station owner in the United States, at the end of June, the companies were to announce Monday.

Returning CBS Radio executive faces challenge
A dwindling number of listeners, a juggling of musical formats at big-market stations, not to mention the loss of the talk-show host Don Imus, will provide a test for Dan Mason.

A golden age for gadgets
Nowadays, there is a profusion of gadgets that harness the latest micro technologies and the wackiest thinking of garage inventors. Whether the problem is how to one-up the office practical joker or brew a hot cup of espresso while driving to work, there's a gadget for it, and a cottage industry furiously bent on delivering more.

Wireless: Customized phones for the masses
If you have decided that the newest €750 cellphone from Nokia is not enough to distinguish yourself from the masses, do not despair.

European soccer clubs drawn by huge fan base in China
Unlike America, where soccer is now the most popular participation sport among children, relatively few Chinese actually play the game. But in contrast to the United States, where soccer rarely breaks into network television, the sport is a media phenomenon in China.

On Advertising: British ad businesses strike back
Facing tough new restrictions on the marketing of unhealthy foods to children, and fearing that ads for other products could be next, the ad industry is fighting back.