According to new research, over 17,000 USB flash drives were left behind at laundromats and dry cleaners last year. While I definitely promote the idea of backing up your important files on an external drive of some sort, leaving them lofting about in the hands of strangers (or destroyed in the washing machine) isn't exactly what I had in mind. Want to keep your important data with you, but are afraid your forgetful bug will strike at a most inopportune moment? Check out these flash drives that will stay with you wherever you go.