Of the seven lessons of content from Mashable, I found the first to be the most compelling. Design matters.
This may seem obvious, but if you want to be taken seriously by consumers, it’s important to make your content visually compelling. via 7 Lessons From Content Marketing’s Greatest Hits.
A good design sends signals of quality and professionalism. Higher quality allows for a higher price premium; think of Lexus or Rolex. And a professional uses design to demonstrate his/her attention to detail.