It has got to be the cell phone.
The lightning flashes. It strikes, then falls back to the heavens as fast as it had come. The fastest thing before, and may always be. Calculations of scientists came up with an astounding record of the speed of light, clocking at about 300,000 meters per second. It is regarded widely as the fastest speed any present thing can travel. And man, throughout the years of his learning, decided to take advantage of this speed.
Cell phones are gadgets of varying sizes, with all the same function: communication. Even with all the add-on's that people nowadays put to cell phones, it all comes down to communication.
During these days, cell phones are almost a necessity for everyone, for seamless and fast communication; before, it was all paper and pen, and from pigeon's to boats and mailmen. To think about it, all people had before were sticks and stones, then with the discovery of electricity, light bulbs and the likes. How can even information be sent through electricity? It was the question, and it is now the answer. People had to wait before, just to get an important answer. They do no more now than clicking and pressing, and then message is sent before you even get to blink.
I may not know it now or ever, but the process or the mechanics behind the information relay on electrical signals will always amaze me. I chose this key gadget of today, for the main reason that they simply paved the way for improvements and addition of other media of information, that it struck me how it works, and that it is the pioneer gadget that will always make people remember; that us humans, even enclosed within seemingly impervious boundaries, should or even ought to think out of the box.
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