If you're trying to get some work done, then you probably shouldn't check out this list entitled "Top 10 Free Time Wasting Sites on the Net" over at About.com. At the top of the list is Falling Sand, a particularly addictive little Java game that accurately simulates (you guessed it) falling sand amongst other things. It doesn't sound too impressive on paper, but in practice it's mesmerizing. Also, there's the frustrating Someone Keeps On Stealing My Letters, pictured above. The place to be if you're a letter thief. What's your favorite game or site for wasting time?