E Ink's Pearl e-paper displays are made in a roll-to-roll manufacturing process, and these can be made up to one kilometer in length. Our friends over at E Ink sent us these cool photos of a long E Ink roll, they seemed to be having fun with that one:

The display roll is made in E Ink's factory in Massachusetts (USA), but the TFT backplane lamination and final processing is performed in E Ink's factory in Taiwan. Here's another great photo of the roll from above: