A brand-new computer for free may sound too good to be true, but a British company is offering it to every UK household and even promising to replace it with a new machine after three years. "The catch ? London-based Metronomy says in return for a free IBM personal computer worth 800 pounds ($1,400 U.S.), customers will have to bear with one minute of on-screen advertising for every 20 minutes of computer use."

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