A girl I knew in high school has memorized all of Janet Jackson's dance routines. A college acquaintance is afraid of train whistles. Five separate people harbor lifelong desires to visit New Zealand. How do I know these things? Because they won't stop writing about them on Facebook! Facebook's "25 Things About Me" meme seems harmless enough people write 25 facts about themselves and post them on their Facebook pages, just as they do with videos, status updates and photos of last weekend's party. An estimated 5 million of these notes — that's 125 million facts — have appeared on the website within the past week. Assuming it takes someone 10 minutes to come up with their list, this recent bout of viral narcissism has sent roughly 800,000 hours of worktime productivity down the drain. (Read "Does Facebook Replace Face Time or Enhance It?"