Sudoku is a $125 mln a year industry
The mania for Sudoku has led to more than $250 mln in revenue for the global Sudoku business over the past two years, Slate says.
Published on: April 30, 2007 Department: General
The mania for Sudoku has led to more than $250 mln in revenue for the global Sudoku business over the past two years, Slate says.