Time Warner's properties include popular magazines (Time, Fortune, Sports Illustrated and Asiaweek among them), music, film and cable-TV programming, yet the company has failed to build a large audience on the Net.

CNN: Old Media Get a New Deal

He ended with a challenge to the TED audience of technologists and high net-worth world beaters, can you match what Thomas Edison, Alexander Graham Bell and others achieved in the 19th and 20th century.

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That audience is attractive to e-learning companies -- from correspondence programs that have hopped online to Net-only operations peddling curricula by the month or by the course.

CNN: Web puts the home back in homework