I think it would've made far more sense to have two bezel-less LCDs butt together than try to get a flexible one to work without fatigue damage over time, but then again, I don't work in the marketing nor planned obolescence department...
https://gizmodo.com/courier-first-details-of-microsofts-secr...
Like their attempt at tablets with XP, they seem to have been a little too early.