[ Invalid Attachment ]
Check out this phone-laptop hybrid-Arizona Hot (January 11, 2018, 11:19 PM)
I remember seeing something like that waaaaaaaaaaay back in 2008 or so. A computer that was powered by a phone that could be plugged into the back of a screen to turn into a tablet, which could be plugged into a keyboard to turn into a laptop.
EDIT: This isn't the one I remember seeing, but it's from 2011, and the concept is a bit more refined. I like how they make the tablet into a keyboard, and the phone into a touchpad: