In this day and age, diversity may be at its peak, but there is one thing that is commonplace: a cellphone. It would be absolutely jarring to see someone who did not have one, as its general perception is that it is indeed a necessity. Just like how we need the clothes on our backs and food in our stomachs, we need a cellphone in our hand. It's been a long way since Alexander Graham made the first infamous phone call back in 1874, little did he know how his crafty ingenuity would change the course of human history.