Everyday digital interfaces include a rich variety of images, visualizations, and other pictures. However, more than anything else, they are made of words. Oh so many words. As we equip teams to design and code usable, consistent, beautiful interfaces using systems, it’s essential that words depend on a strong foundation of typography.
Picking a font size for the web used to be really easy. 16 points and you’re done. You could feel confident that your content would be decently readable on PC or Mac, Netscape or IE. Man, have times changed.
Typography
What's the Best Font Size For the web? Well, It Depends… — Imarc
Knowledge
Creating Usability with Motion: The UX in Motion Manifesto
The following manifesto represents my answer to the question - "As a UX or UI, designer, how do I know when and where to implement motion to support usability?"
Microinteractions
Creating Usability with Motion: The UX in Motion Manifesto