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Your article seems to imply that there is something worse about spending 10 hours a week surfing the Web than other pastimes. Why isn’t 10 hours a week spent reading books, watching television, doing crossword puzzles, listening to music, or other solitary hobbies just as “socially isolating”? The sports fan who watches 10 hours of […]

Survey raises issue of isolated Web users

A controversial study suggests that heavy users of the Internet become socially isolated.

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If large black holes are at the heart of most galaxies and they are dark by definition and we have no way to tell what their size is, couldn’t they be hiding enough mass to make up the missing mass in the universe? Georges KaufmanTampa, Fla.