Samsung Display showed off a prototype PC that slides from a 13-inch tablet into a 17-inch display. Intel announced that it's been experimenting with slidable PC form factors. 

The prototype device that Samsung Display and Intel have shown off today essentially turns a 13-inch tablet into a 17-inch monitor with a flexible display and a sliding mechanism.

Intel was quick to demonstrate its new Unison software on this display, which aims to connect Intel-powered computers to smartphones.

The Tame Apple Press, whose favourite company is supposed to be coming up with this sort of thing sniffed that the "slidable PC is just a concept" and there's no word from Intel or Samsung Display on when it will become a reality. 

However, with smart working, the idea could be useful.