In the early days of digital screens, sans serif fonts were preferred to serif, as they improved legibility. The first digital typeface – Digi Grotesk – was designed by Rudolf Hell in 1968.

No sans-serif allowed. Thierry Brunfaut is base creative director, founding partner, and author of the 5–minute poster series. Tom Greenwood is a writer and creative director.

font of wisdom So long, Calibri: Microsoft has settled on a new font for its Office apps Aptos is a sans-serif font that also comes in monospaced and serifed varieties.