Should You Worry About Data Rot? – Pogue’s Posts Blog – NYTimes.com

Thinking you’re done because you’ve moved your photos onto a DVD is not a good policy to take; it’s a mistake. And the reason is that the lifespan of DVDs varies from 5 to 100 years, according to testing. And if you leave it on your hard disk, well, hard disks only last five years, generally.

Check it out here.