E-paper displays capable of playing video aren't exactly a completely new development, but Samsung seems to be particularly proud of its latest prototype, which makes use of some new, slightly mysterious technology to let you switch between e-paper and video modes. That's apparently possible in part thanks to an active matrix panel that uses "a kind of cholesteric liquid crystal" which, oddly enough, has so far been primarily used in displays on flash drives. Given that history, the 10.2-inch panel itself is expectedly a little lackluster when i