Combining two separate toggle buttons (follow/unfollow + another for whether that "follow" is public/private) seems like an elegant solution to the spacing and aesthetic problems of having two butt
toggle - Button states: enabled, disabled and unclickable - User
What Makes A Great Toggle Button? (Case Study, Part 1) — Smashing
label arrangement of the toggle button - User Experience Stack
intuitive - Is the Three Toggle button on Bothsider easy for
interaction design - Are two toggle buttons better than a tri
4 Rules for Intuitive UX – Learn UI Design
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3 Key Principles for Creating an Intuitive User Interface
4 Rules for Intuitive UX – Learn UI Design
5 Techniques to Make Mobile Call to Action Buttons Intuitive
website design - Ternary Switch - How to implement? - User