Even though MySpace.com posts safety tips for parents on the site and provides safe links to the Web sites for online safety groups, it can't verify your age or your name.
It's entirely an honor system. It is possible to report lewd photos or hate messages, but the community of users must police themselves. Users 13 and under are banned.
Authorities say Katherine Lester flew from Detroit to New York and then headed to Israel. The FBI tracked her flight and persuaded her to get off the plane during a layover in Amman, Jordan. On Friday, she returned home to Michigan to her family.
Although it doesn't appear that Lester has broken any laws, the FBI is eager to find out more about the man the teenager wanted to meet.
"We don't know that he had represented himself accurately," Roberts said. "We believe there are millions and millions of juveniles working on the Internet every day, and so parents have to know what their kids are doing."
Here are Rubenstein's tips for protecting children from dangerous online activity :
Talk about online dangers with your children.
Bookmark safe Web sites.
Act on hunches and be nosy.
Learn about the new reality of the Internet yourself.
Reported by ABC News's Taina Hernandez on "Good Morning America."