PICTURED: An automated external defibrillator (AED) in a white box is an emergency defibrillator for people in cardiac arrest.
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Creative idea concept with lock symbol and microcircuit illustration on modern laptop background.
Pictured: User on a laptop with warning alert.
It was 21 years ago today (9/11) that terrorist attacks took the lives of thousands as four jet airliners were high-jacked and used as missiles against the United States. Two planes took down the Twin Towers and another striking the heart of the Pentagon.
