https://techcrunch.com/2018/11/07/samsung-shares-a-glimpse-of-its-folding-infinity-flex-display-smartphone/

After hyping its unveil of its long-rumored folding smartphone, Samsung kind of delivered an announcement, revealing a dual-screen folding phone prototype.

“How can we make the screen bigger without actually increasing the size of the device itself?” a Samsung exec posited onstage.