Do you use firefox to browse the internet? If you do, do you use Google's 2.7 gb free email service gmail.com ? If you don't, you shoudl fix those.
1. Firefox has all kinds of community developed tools that help make your day easier. One is gspace. See below.
2. Gmail has the largest and growing space available for free email, and their spam, virus, and phishing protection are awesome.
Combined together with this feature below called gSpace, you wont need a USB thumb/flash drive in your pocket to move files. Instead you can just login to your gmail account in gSpace and upload files you need somewhere else and access them from anywhere.
Gmail File Space FAQs: "This extension allows you to use your Gmail Space (2 GB) for file storage. It acts as a remote machine. You can transfer files between your hard drive and gmail. This is similar to 'Gmail Drive' on windows platform. Your gmail account looks like a FTP host and you can upload and download your files. After you install, you get an option called 'GSpace' in your 'tools' menu clicking on which opens the window for transfer of folders/files."