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March Madness

There's something about filling out that bracket and hoping to win the office pool that makes the NCAA Men's Division 1 Basketball Championship irresistible. The FBI says some $2.5 billion are illegally wagered on the single-elimination tournament. Challenger Gray & Christmas says the productivity cost—as workers take long lunches, tune in the break-room TV or stream it on their computers—amounts to $134 million in just two days of the tournament.

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