2013 was an exciting year for digital marketing – it witnessed the rapid rise of Google+, Facebook matured and cemented its position as the number 1 social media platform, Twitter went public and honed in on advertising, YouTube hit a billion unique users a month milestone, LinkedIn’s deeper integration with Slideshare reinforced its business social media lead. 2014 was arguably the year for mobile social media: Vine, Instagram and SnapChat collectively have a userbase of over 250 million users. For SEO, Google’s Hummingbird and In-depth search updates were arguably the most significant Google Algorithm updates over the last five years. Here is a summary of all major Google SEO and Social Media updates in 2013 from Google, Facebook, Twitter, Google+, LinkedIn, Pinterest, Instagram, Vine, YouTube, SlideShare, and SnapChat. Have a Happy New Year in 2014!