Imagine, it’s Saturday morning. You are out for a walk in the park. Suddenly overhear someone screaming for help from the nearby lake. You run over and see a person fell in the water. You grab the nearby life ring and throw it in the water. But it falls 2 meters away. The person is already so panicked that cannot make their way to safety. Witnesses in similar situations have only two options:
|> to jump in the water and risk their own lives, or

|> to stand watching helplessly.
After being released into the water it automatically finds and goes to the person.
……375 out of 750 children that drowned in the U.S., were within 25 meters of their parents with no way of rescuing them

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