Originally Posted by erk
It's not a special directory (it's in /data/...), and it's not protected in any way, except that the contents are deleted if (a) wireless is dropped, or (b) USB is plugged in.
Well, that's not quite 100% true. It is protected in the fact that the average user could never get to that directory. You can only get to that directory on a device that has root access and since most rooted devices seem to lose the ability to access the "read in-store" feature...