The overall summary of this article is that 2014 will take all of the changes we have seen in 2013 (Panda, Penguin, Hummingbird) and take them to the next level.

A few key points to take away from this awesome article.

• Content marketing, Content Marketing, Content Marketing
• 2014 will be all about mobile SEO
• Being on a single social network isn’t enough, the top B2B marketers are on at least 7 networks
• Invest in Google+, there is no doubt that Google is taking all of the +1′s into account in their rankings
• Guest blogging is a very effective tactic

  http://searchenginewatch.com/article/2308896/SEO-in-2014-How-to-Prepare-for-Googles-2014-Algorithm-Updates