[zero0529]

Last time I read about them (here in HN) somebody highlighted that the problem wasn’t to get them to function at a high refresh rate, the problem is they stop being energy effecient at that rate. Now I mostly skimmed the article but I couldn’t find any information regarding that.

[abrowne]

I think that's true, but energy efficiency is only one potential benefit of epaper displays, and not one that is a goal with this product.

[rbanffy]

How durable are they when driven in this kind of regime? They are mechanical devices after all.