Anastasia Goodstein is the publisher of "Ypulse.com":http://www.ypulse.com/, a blog about teen media and marketing, and the author of Totally Wired: What Teens And Tweens Are Really Doing Online. She is also producing the upcoming 2007 Mashup conference in San Francisco on July 16 to 17, and is currently the "guest expert on PBS Parents":http://www.pbs.org/parents/issuesadvice/.