We’ve said it before and we’ll say it again – 2012 was a heck of a year.

The rise of Pinterest, Stop Kony, Facebook’s purchase of Instagram, IPO and billionth user, Twitter’s continued crackdown on third party relationships, the London Olympics, the little matter of a U.S. Presidential Election and Gangnam Style… all of this took place in just twelve months.

And each one of these events was heavily supported by marketing, a huge amount of which took place on and through social media.

What was your marketing highlight of 2012? Check the infographic below for some of the year’s most memorable moments.

(Source: Hubspot.)