USB drives can store a myriad of varying information using its flash memory. It is also known as a USB thumb drive or a pen drive due to its small size. Many people have bought their own USB drives in store vital data. Other than that, you can also create a portable MP3 player out of your USB drive by saving your music files in it and copying it to any computer you wish. USB drives are not only handy to own, they are also very affordable. With everyone owning them, you will find that USB drives also come in different shapes and sizes.