Kids these days have smartphones, and they only speak in text language, as we understand it.
"Soz", "l8rz", "bbz", these are the only things they say when they speak, if they speak at all, normally opting instead to simply Whatsapp you a disapproving message telling you something that involves a cat's face and some smiling poo.
Anyway, in an effort to bring the wonder of science to them and unravel the mystery of evolution for the next generation, Bill Nye the Science Guy and Mashable have this brief explanation of how we've all ended up together on this planet, smartphones and all, told through the medium of emoji.
Via Mashable