The cap is gone, the outer casing has slowly been yanked off with use...and now, all that's left is the USB port connected to a barely-hangin-on circuit board. They're storing all their work on a device purchased from Sanford & Son.
But that's the nature of the beast, I suppose. These things are put together as cheaply as possible, using butterfly wings, scraps of paper, and the dreams of a child. Even casual use makes them fall apart.
On a related note...Sheldonista Jose C. has alredy e-mailed me suggesting this little baby, and I have to say it looks pretty neat.