Wired: “Nowadays I back up my data at least three times, in three physically separate places. I know what you’re thinking—wow, he is really bummed about missing out on that mai tai. It may sound excessive, but it costs next to nothing and happens without me lifting a finger, so why not? If the perfect backup existed, then sure, three would be overkill, but there is no perfect backup. Things go wrong with backups too. You need to hedge your bets. At the very least, you should have two backups, one local and one remote. For most people, this strikes the best balance between safety, cost, and effort…”