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.
Microinteractions play a large role in our digital lives, even if we don’t always notice them. From the time your phone’s alarm wakes you in the morning to liking your friends’ posts on Facebook to the notifications about new emails and Instagram messages—we encounter microinteractions all day.
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