Top 8 social media posts of 2013

1. Most RT'd on Twitter

 The most RT’d tweets of the year were rather sad, actually: they were tweets on the deaths of Paul Walker and Cory Monteith. 

2. Most-discussed on Facebook

The most talked about topics on Facebook around the world in 2013 were Pope Francis, elections, the royal baby, and Typhoon Haiyan. Inside the U.S., it was a little different —the Superbowl, government shutdown, and the Boston bombing were hot topics.

3. Most-liked Instagram

View this post on Instagram

Me and uncle Will

A post shared by Justin Bieber (@justinbieber) on Aug 14, 2013 at 4:07pm PDT

This snapshot of Justin Bieber with Will Smith was the most-liked of the year. 

4. Most-viewed video on YouTube

That crazy-quirky “What Does the Fox Say?” video by Norwegian comedy duo Ylvis won the year on YouTube. Here’s the video sharing site’s Year in Review:

5. Top GIF on tumblr

From thedoctor7777

6. Most viral tumblr

The simply hilarious tumblr Reasons My Son is Crying was the most-viral of 2013. 

7. Top Pins on Pinterest

Tech trends, top tattoos and cute critters were favorites for Pinners in 2013.

8. Most-shared Vine

Six seconds of this adorable and hilarious little kid? You’ve got a Vine heard ’round the world.