L2 Think Tank’s Social Platforms 2013 study, covering 247 brands across 15 different social platforms, offers a deep dive into the current moment in social media.

Insights include the ROI of social media vs. more traditional marketing tactics like paid search and email; the performance difference of Instagram video and Vine; and engagement levels on Twitter vs. Instagram vs. Facebook and more.

(Source: L2. Diver image via Shutterstock.)