One thing is clear SEO isn’t going anywhere whether in the next 15 or 20 years. It might change a lot in the future but won’t vanish at all. Because search engines are striving to serve the best results to their users and they can not make it possible without skilled SEOs. Also, social media and search engines are likely to merge. This is already being done by Facebook, which averages more than 1.5 billion searches every day. Facebook partnered with Google to do the same. Twitter also did the same. So don’t worry about SEO’s existence in the future.