What's On Tv? Ask Henry Yuen

His hot on-screen guide is made for the Digital Age--and patents virtually lock out rivals

Henry Yuen is building a portal. He doesn't call it a portal, the current buzzword of the Internet, where such familiar names as Yahoo! Inc. and America Online Inc. are vying to be consumers' preferred gateway to the World Wide Web. Rather, Yuen, president and CEO of little-known Gemstar International Group Ltd., has a far more mainstream frontier in mind for his invention: your television set.

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