Is it a CPU? Is it a strain gauge? It is a Flex-IC!
And they say nothing about movement there! It seems that it works as bent, but I doubt that it would work during bending.
As far as Samsung (and their Brethren) are concerned, they will be content only when they can sell semi-organic putty which they can filtrate out of a slurry in a tub. But I do not want to carry dirt in my pocket.