Search Pi
Found a site where you can search for patterns of numbers in Pi. The Pi Search Site searches over 200 million digits in the number. What is this useful for? Well, nothing really, just something to play with. I searched for my birthday (01/07/1980), and the results:
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The string 01071980 was found at position 42,989,599 counting from the first digit after the decimal point
72897596943087462770 01071980 49415382617118377849
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Woohoo! My b-day occurs in the 42 millionth, nine hundred eighty-nine thousand, five hundred ninety ninth position. If you count the 3 at the start of Pi, then it would be 42,989,600! (sarcastic smile :))