It weighed a whopping 2.5 pounds as compared to today's cell phones that weigh as little as 3 or 4 ounces After the invention of his cell phone, Cooper began thinking of ways to make the[r]
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It weighed a whopping 2.5 pounds as compared to today's cell phones that weigh as little as 3 or 4 ounces After the invention of his cell phone, Cooper began thinking of ways to make the[r]
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