Tracking Theresa

In the video that I watched called "Tracking Theresa" was pretty interesting. the only information that Theresa was giving out was her screen name, which was "Theresa01" from there, the person found her email, and found her telephone number. just by plugging in the area code, he could find where her geographical location was.so within 20 minutes, the person found out alot of things about Theresa. next was to find the schools in that area. See, the guy already knew her age, and that meant she was in high school. He eventually  found out what her school was. So, what I learned from this is to not publicly display any personal information, as simple as a phone number.