The idea of publishing long articles seems to fly in the face of conventional marketing wisdom. People, we are told, have short attention spans. Content should be bite-sized and concise. Otherwise, you will lose your audience; they simply don't have the patience to read long articles.

Data tells a different story. Long-form content ranks well, gets readers and keeps them engaged. Having long-form content available on your site also helps your firm establish its authority — both with search engines...