Numbers ‘08, the new spreadsheet application in iWork ‘08, brings some powerful new tools to the table. As noted in my Numbers review, the ability to place multiple grids anywhere on a page, and mix ...

Optical illusions, brain teasers, and puzzles are popular on the internet. The image in question challenges viewers to spot more than four numbers in ten seconds. The numbers include 6, 8, 9, 2, and 1 ...