AP - Researchers secretly tracked the locations of 100,000 people outside the United States through their cell phone use and concluded that most people rarely stray more than a few miles from home.

Reuters - Don't blame the fridge for your steep power bills -- an Australian consumer agency study has found that videogame consoles and plasma flat-screen TVs are major electricity guzzlers, even when left on stand-by.

Reuters - With the high definition DVD format war settled, Wal-Mart Stores Inc is now aggressively promoting sales of Blu-ray players.

Reuters - U.S. consumer awareness about the Blu-ray high-definition DVD format is rising, but adoption of the technology still faces challenges, according to data released on Tuesday by research company NPD Group.