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A person or persons who walk through public areas (shopping malls, sidewalks, etc) text messaging on their cellphones, not paying attention to their surroundings.
Person 1: "See that guy, he nearly ran into that crowd of people cause he wasn't watching where he was going."

Person 2: "He was text messaging on his cell. He's a techno-zombie.
by Octavio Stevens March 08, 2011