MacBooks of the future might feature a full touch keyboard if recently filed Apple patents are anything to go by. There are three patents filed that demonstrate an increased touch area with haptic feedback for signalling a key press. These patents, however, could be just design ideas and might not even see the light of the day.
https://www.notebookcheck.net/Future-MacBooks-could-sport-a-fully-virtual-keyboard.321218.0.html
Apple Revisits The Acer Iconia With New MacBooks
The Acer Iconia was truly a unique device when first released. Foldable phones & phones with screens on both sides probably help gage how well consumers appreciate a dual-screen laptop today.