"Whether or not AT&T’s claim of a software update being the cause is true, the episode demonstrates the fragility of modern life, in which everything — banking, emergency services, hospitals, the stock market, water, food storage and transportation, and more — is heavily dependent on the grid."
For those of us who grew up in a non-connected world this won't make much of a difference. For the young who can't survive a few hours without their phone, well they are going to learn something.