When I was a kid, we imagined life in the 21st century would include huge upgrades in technology like space travel, jet packs, laser guns, and robot servants. We imagined a coming space age, but the 21st century our kids are actually growing up in isn’t so much a space age, it’s a digital age. Life didn’t so much move to the stars as it did to our screens. Don’t get me wrong, the digital age is...