Flash drives use little power, have no fragile moving parts, and for most capacities are small and light. Data stored on flash drives is impervious to mechanical shock, magnetic fields, scratches and dust. Flash drives also store data densely compared to many removable media. Has the ability to hold many times more data than a DVD. Want to share a new tune or pictures with your friends and family, need to do a presentation and take files with you? Simply copy the file onto the USB and take it with you. to access you data, simply plug the USB into virtually any PC OrMac without the need for bulky cables or adapters.