6 companies that use unique materials when building smartphones

With smartphone performance now less of an issue than ever before, it feels as if we're all starting to have less practical concerns when it comes to the devices we buy. Obviously, claiming that design used to be any less of a concern would be wrong, but it's definitely the case that the community, especially power users, are now demanding that more and more attention be paid to the type of materials that go into a slab of electronics that usually costs north of $700.