46 Terabytes of data storage (for backups) sitting on a desktop Backing-up your data is extremely important. Say you've been carefully storing your pictures and videos, your personal memories, your family history, on a laptop computer, and you've carefully moved the picture/video archive from laptop to laptop as you upgrade. What happens if the laptop is stolen, if you drop it and the drive breaks, or any of the other mishaps that can happen. If that single laptop is the sole solitary place that data is stored, you're screwed. This video goes over a few data backup options, and strongly recommends storing backups not just at your home, but somewhere else as well. The price for data storage units are falling rapidly, and thanks to powerful/compact computation their capabilities are growing.