The more complex the system, the more points of failure. Southwest Airlines’ meltdown is just a harbinger of things to come — By David Grace (Amazon Page — David Grace Website) — — — — A Chain Is Only As Reliable As Its Weakest Link — — — — My High-Tech Odyssey I was on the internet and clicked on a text box. I typed a few characters and nothing happened. What? Oh, crap, the battery in the wireless keyboard is dead. Well, that’s no problem. I’ll just put in a new battery.