When the personal computer first entered the classroom three decades ago, prophets of the information age foretold a marvelous revolution. The world's storehouses of knowledge would become instantly available to young minds. Captivating digital landscapes would bring history, geography and science alive on a screen. Not since Gutenberg, they exulted, had there been such a powerful new tool for learning. Their bold predictions were not wrong, just premature. Computers are indeed everywhere in American schools, but they are generally used as little more than electronic workbooks for drill, or as places for kids to play games during ``free choice'' periods. The...
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