Interaction Design

Even if you've never heard of him, Bret Victor ought have some credibility as a former Human-Interface Inventor for Apple, where he worked on "pervasively direct-manipulation interfaces (where the user does his thing by moving and gesturing with meaningful objects, instead of relying on verb buttons and other indirect controls)" among other things. By Core77

Dreamy interfaces

These days, almost everything we do is digitized into discrete units. Our phone, video, and e-mail communications are digital. Economies, businesses, web searches, and even vehicle traffic are all controlled by sophisticated mathematical models performed by computers. This is the defining characteristic of the information age, and has caused much soul-searching over the past 50 years. By UX Magazine