Estimated read time: Less than a minute
This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in its archived form does not constitute a republication of the story.
All day the hastag "where were you?" has been trending on Twitter. A new Pew research study shows 97 percent of adults in the U-S remember exactly where they were when they learned of the attacks.
Mark Johnson was actually in New York -- right by the World Trade Center -- as the attacks happened.
×![]()
