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With the introduction of networking and specially the Internet, the need for sneaker net, where you carry floppy disks around wearing sneakers, ended. After all, floppy disks carry only a measly 1.44MB of data and is very unreliable that transferring data through them is more trouble than it is worth. Local area networks and even email attachments, are better for transferring files.
But a new type of removable device proves reliable and efficient—the USB Flash Drive. While using a USB Flash Drive, at first glance, seems like going back in time and using sneaker net with the flash drive instead of a floppy, there are major differences. First is the capacity. Modern flash drives can carry around 8 to 16 GB of data. Some might even carry more. That’s gigabytes. It is also more reliable and more portable than a floppy. To use it, you don’t need a drive like floppies used to. You just need a vacant USB port.
Imagine all the stuff you can stuff in that key chain looking stuff. You can carry a backup of all your text and word processing documents from your office to your home. With Windows 7, you can even encrypt it using Bitlocker so that it will be more secure in case it gets into the wrong hands. With this device, the question eventually arises: Who needs a keychain?
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