billlava writes "Wikipedia continues on its inexorable march toward becoming the repository for the world's knowledge — to the tune of four and a half edits a second. Just who is doing all these edits? And where do they live? Erik Zachte compiled data from a day in May 2011 into an interesting set of animations and maps to show update activity as it occurred during the day."
If you push the "extra ice" button on the soft drink vending machine, you won't
get any ice. If you push the "no ice" button, you'll get ice, but no cup.