First encounter with e-ink

I’ve been hearing about e-ink for awhile now, but I came across my first actual sighting in Walmart here in Janesville.

I originally noticed it because it’s a giant ad hanging from the shelf. Then, when it started flipping, I knew exactly what it was…

The thing seemed to be powered by a small battery, possibly off-the-shelf AA’s or something

Yeah, I’m a gadget freak. I found the company’s crappy little flash website here: