In Pictures: External Data Storage Through The Ages

External storage has a colorful history. Today, many of us walk around with 32 or 64 GB of capacity on our key chain in the form of a USB-based flash drive. But it wasn't too long ago that we carried packs of CD-Rs, 3.5-inch floppy disks, and, for some, punch cards. Let's take a look at how external storage has evolved over time.