I cannot say with 100% certainty that nineteen-year-old Justin Jin is not pulling an elaborate prank on me. In my defense, Jin’s company Giggles — which he describes as “putting a trading app and ...

Add Yahoo as a preferred source to see more of our stories on Google. A child plays Minecraft on his tablet. (Georg Wendt/picture alliance via Getty Images) (Georg Wendt/picture alliance via Getty ...