What's the Difference Between a Font and a Typeface?

Technology has confused us all! A typeface and font are two completely different things and they are not synonymous. Font refers to weight, width, style, and other typeface properties. We all use the word "font" when we should use typeface. Computer operating systems are to blame as they use the term font to mean typeface. This article from mentalfloss.com attempts to clarify where we have all gone wrong.