Part of successful, long-term SEO is understanding search trends and pro-actively improving optimization efforts. Search engines continually strive to provide a better search experience for the users. Webmasters should do the same. As technology improves, so does search functionality: “preview before click,” mobile search, audio, personalization, etc. Scott Buresh gives his take on how search is changing here: Current and Future Search Trends: What the Top Internet Search Engines Are Doing