I'd probably get happy if it could roll up instead.
There use to be this show Earth Final Conflict. They had these global communicators.
And according to
Gizmodo is getting there.
Note this image is just a rough idea cause it look lame as something actual.
Both actually look a little lame, but that's just poor design. Easily fixed. The part that would rock to me would be the scroll that can roll out the full or even partial screen.