In her high school track and field career, Allison Stokke had won a 2004 California state pole vaulting title, broken five national records and earned a scholarship to the University of California, yet only track devotees had noticed. Then, in early May, she received e-mails from friends who warned that a year-old picture of Stokke idly adjusting her hair at a track meet in New York had been plastered across the Internet. She had more than 1,000 new messages on her MySpace page. A three-minute video of Stokke standing against a wall and analyzing her performance at another meet had been posted on YouTube and viewed 150,000 times.