Great list from Ken Lopez of A2LC of tips for better PowerPoint design and study about better results.

October 27, 2015 Washington Post article – Good design causes readers to pay more attention to news articles.

Reynolds school of Journalism article on good article design cited by Lopez in his blog post: https://www.rjionline.org/stories/results-are-in-a-cleaner-webpage-design-equals-more-engaged-readers