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YouTube Subtracts Racy and Raucous to Add a Teaching Tool

By STEPHANIE STROM Educators are giving YouTube — long dismissed as a storehouse of whimsical, time-wasting and occasionally distasteful videos — another look. As Google, YouTube’s parent company, fine-tunes a portal that lets schools limit…





































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Smartphone Apps Send Holiday Greetings

By CLAIRE CAIN MILLER Does the idea of buying holiday cards, gathering the mailing addresses for friends and family, writing personal notes by hand, buying stamps, addressing envelopes and carting them to the post office…