When it comes to intuition, there’s a process of learning behind it, and still it is an enigma for me. We get used to interfaces, actions, but how? They looked so much different just two years ago.
IMHO the minimalism was started not by Facebook but by text messages — clear and simple way to communicate. Then, Messenger, stickers, iOS, then other apps…
Recently I’ve wrote a piece on moves, that apps should take in mind: https://medium.com/@diana.salacka_95611/swipe-slide-the-ux-basic-for-mobile-4e3b7bcd118f#.qy6ryygut