The Semantic Web is not a separate Web but an extension of the current one in which information is given well-defined meaning better enabling computers and people to work in cooperation.
Yet in this global economy no jobs are safe. High-speed Internet connections and low-cost skilled labor overseas are an explosive combination.
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You have to wait for people to program you. The only difference is the amount of people that you're going to reach but that's going to even out in the next two or three years anyway. Computers are being bought faster than televisions right now.