Electric Ink

Next big thing? I’m betting it’s electronic paper. The time to start thinking about how this can be used innovatively is now – and no better time, since E Ink is offering a developer’s kit fo $3000.
They give you all you need to integrate their display into your own device, or explore options with it.
How about combining it with a GPS device to make a portable map? Maybe it could also show some additional information about where you are. I dunno.
Trying to think of some non-obvious game ideas. If you could use a stylus with it, that would push the paper metaphor even more.
An interactive, graphical story, a la The Diamond Age?
Possibilities seem endless. But is one within my capabilities?