Dedicated to my mother, Mrs. Nita Harwani, and Dr. Martin Cooper.

Mom, you are a great teacher. When I look at you, I feel the heights of love, patience, sacrifice, hard work, and emotions.

Dr. Martin Cooper, the inventor of the modern cell phone, has revolutionized communication technology. His amazing and dedicated research led to the development of cell phones that interconnect the world even while moving. Today we can’t think of life without cell phones. Can we?

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