Art Lebedev has come up with the idea of making USB flash drives on cardboard, which can be easily torn from a strip, and you can write down the file content on the exterior with a pen and share it!
"It's made out of: Insulation foam, joint compound, a cardboard box, glue, some gesso spray and acrylic paint. Pretty amateur stuff actually, and a really fun project. Took me about 2-3 weeks to finish. "