For when you’ve gotta have that font.

Add Yahoo as a preferred source to see more of our stories on Google. It's Typography Week, and we're delving into the the history of sans serif, one of the most iconic typefaces in use today.

Even if you’re a designer, you may not be able to identify all the typefaces you see in the world by sight, aside from a few of the most common, like Helvetica or Futura (or, sadly, Comic Sans).