While sans-serif fonts have been around for a long time, they did not become popular until the late 1960s. In 1967 the font Helvetica, a sans-serif font, became very popular, by 1968 it was the font choice of America. Companies chose Helvetica because it is clean, modern, and straightforward. Sans-serif fonts still rule the market today. If you are a company that wants to be portrayed as modern, trendy, simple, clean a sans-serif font is for you.