Being electromechanical though, flip-disk displays apparently have significant maintenance costs, as display elements fail quite frequently. Eink would probabl

Being electromechanical though, flip-disk displays apparently have significant maintenance costs, as display elements fail quite frequently. Eink would probably be much better on that front, which would be very beneficial for applications in hard-to-service locations ... like billboards... One of the earliest applications of eink (before eink "paper" was a thing) was actually in advertising signs with huge feature sizes (10s of cm), so big pixels are not something new to eink.