There are some sensitive documents that you want to ensure don't fall into the wrong hands, such as contracts or financial records. This voice-authenticating USB drive($50) will ensure no one's snooping into your sensitive stuff.
It looks just like a regular thumb drive, but using voice-recognition technology, it will only grant access to a password spoken by the owner. There's no installation required. Once you plug it in, it speak the password, and once it's authenticated you can start stashing your files. In the event you space on your password, it provides steps for you to reset. Get is here.