Most of us don't think much about backing up our data. We've got smartphones, tablets, laptops, and desktops storing tons of our precious files, photos, and content, and usually, everything is fine. But, once in a while, the worst can happen. We might accidentally do something that bricks our tablet. Our phone might slip out of our pocket and vanish into the ether, or that old hard drive might finally give up the ghost and take all your pictures with it.
So, you should be backing up your devices, and a NAS (network-attached storage) drive is a great option for handling that. These devices hook into your home network, letting you transfer data to and from them. And, since you can have many devices connected to the same network at once...