If you want to appear warm and friendly, but also cutting-edge, Avenir (meaning "future" in French) is a good font to consider. This geometric sans-serif is similar to Monserrat in that it combines ...

By the time the font was ready, in 1994, it was too late to include it in Microsoft Bob. But Comic Sans was used in other applications and ended up as one of the system fonts in Windows 95.

iOS 16 exploit lets you set the system font to Comic Sans (and other things) Irritate Apple's UI designers with this one weird trick.

Star typeface designer Tobias Frere-Jones explains the challenges of using Helvetica Neue as an operating system font.