Fact!
Studies show that people are far more likely to regret things that they haven't done than things they have done.
For more crazy facts, check out WTF Fun Facts on Tumblr.
The rules of Sudoku are simple. Place a digit from 1 to 9 in each empty cell so every row, every column, and every 3 x 3 box contains the digits 1 to 9.
