People chatting on mobile phones are oblivious to their surroundings and can pose a risk to themselves and others, scientists have claimed. Researchers made the discovery by watching the movements of hundreds of people as they crossed a university campus.
They then got a clown to ride a unicycle around the campus square and asked how many phone users spotted him as they walked by. They found that those that used mobile phones meandered randomly and failed to ackowledge other pedesterians. More than two-thirds also failed to notice the clown, even though he wore a purple and yellow shirt, outsized shoes and a giant red nose.
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