by Claudine Zap Our top picks from the day's hottest searches. "The Hobbit" (Searches increased by +1,571%). Peter Jackson is handing off the "Lord of the Rings" prequel to Mexican director Guillermo del Toro . Dennis Hopper (+951%). The actor is dying from terminal prostate cancer and faces a messy divorce . Flash Mob (511%). Seems that some Philadelphia teens have taken the concept of "mob" to heart as the spontaneous events have become violent . Bill Cosby (+518%).