It started when I was 12. I was one third of the way through middle school, having just completed sixth grade. It was perhaps the last time I felt totally stress-free. College and high school felt eons away, and the childish play of elementary school had yet to wear off. The year was 2011, the same year my family bought its first "smart" mobile device: a 32 GB black Wi-Fi-only Apple iPad 2. Naturally, the decision to buy the device was lobbied mostly by me, and when the shiny new product made its way to my hands, I couldn't wait to try out the features that I had waited for in anticipation. The first app I opened was Photo Booth—the iPad 2 was the first of its kind to feature a camera. I was oblivious to most social issues of the world, and as a tween, I probably wouldn't have cared all that much anyway. School was out, vacation was here, life was good. The June of that same year, my family and I traveled to China to visit my extended family. The trip to China, let ...