Digital marketing is constantly changing and evolving. In this Forbes article, Scott Darrohn discusses the top four digital marketing strategies of the year including hyper-focused content, voice in SEO strategies, millennial drivers, and artificial intelligence. Scott points out that by next year, mobile will account for 72% of digital ad spend. Over the last year, 60% of people started using voice search. Social media is the most popular content marketing tactic for 90% of business-to-consumer (B2C) businesses, and 94% of business-to-business (B2B) marketers use LinkedIn as part of their content strategy.