Someone spent hours making a playable version of Super Mario Bros in Excel. See also the Excel spreadsheet artist. (via digg)
Update: Two corrections. The spreadsheet program is actually OpenOffice, not Excel. (Excel is almost a genericized trademark at this point.) And the in-spreadsheet game isn’t actually playable…this is a stop motion video of still frames.
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Shortly before his retirement at 60, Tatsuo Horiuchi picked up a copy of Microsoft Excel and started making art with it. His art does not look anything like you’d expect Excel art to look:

Update: Here’s a short video on Horiuchi and his art:
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Modern-Day John Henry Dies Trying To Out-Spreadsheet Excel 11.0. “Now, 20 rows down, the accounting’s hard as granite — it’s the hardest thing an office man can stand, but you keep your pencil sharp, and you keep your pencil working. It’s the life of a numbers-crunchin’ man.”
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The folks at Work magazine cooked up an Excel spreadsheet that will allow you to search for jobs at Indeed.com, thus fooling the boss into thinking you’re working. Just another way in which kottke.org makes you less productive at work.
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Counterfeiters print Excel function on jeans by accident. “The counterfeiters are using Excel or Access to store all the logos for their counterfeit jeans and then print them out onto leather. This is what happens when there is a bug in their software.”
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