With just a couple of clicks of her mouse, Erin Olsen found a 15-year-old girl who has her own blog on the Internet. It told millions — if not billions — of people the town and state she lived in, where she liked to shop and that she collected dolls.

And the girl posted a picture of herself on the site.

To Olsen, who has developed an Internet safety program for parents, that's more than the inhabitants of cyberspace — especially those trolling for young girls — really ought to know.

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