March 14 is Pi Day, which celebrates the mathematical constant measuring the ratio of a circle's circumference to its diameter (beginning with 3.14). Pi Day is celebrated internationally, and in 2009 it was decreed an official holiday by the US House of Representatives. Here are 3.14 ways to celebrate.
Target reports that as many as 40 million customer credit and debit card numbers were stolen since the day after Black Friday. Advice from experts: Check credit cards and, especially, debit cards immediately for fraudulent purchases.
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