The weekend has brought us a recent scare in Hawaii of incoming missiles that sent people scrambling, thinking they were about to be destroyed. One explanation is that some person pushed the wrong button--twice--to send out a warning that a missile strike was imminent. It took 38 minutes to send out a correction, during which time parents sought out their children, looked for a place to hide them, and considered the likelihood of their survival. Then--"false alarm."
The New York Times has offered up a vision of what the disasters of 1968 would have looked like as a series of tweets. It's here.