Social media isn’t just Facebook and Twitter, however those two networks dominate the social PR conversation. Did you know that 20 percent of adults use Pinterest — which is more than Twitter? That’s just too big to ignore.

Rich media social networks such as Pinterest, YouTube, Instagram and Vine appeal to both niche and broad audiences.  Whether they’re big traffic drivers or visually stimulating, they’re shaping the future of social media.

So what’s a PR pro that wants to discover the big, bold world of rich media social networks to do?

You could scour the Internet or you could let Cision do the work for you. (You can also watch the Pinterest 2015: Pin Down a Winning PR Strategy webinar!)

We’ve searched high and low for the top 50 media rich social influencers on Twitter by leveraging CisionPoint‘s Influencer Search and by receiving a high score in relevancy (the volume of on-topic tweets related to rich media), timeliness (recent tweets related to the topic), engagement (retweets, replies and mentions), and cone of influence (connection to other influencers in the space), to find the experts on rich media social networks that you NEED to follow.

Here’s our top 50, listed alphabetically.

Did we miss any? Add who you think should have made the list in our comments section.

Want to see who made our other top lists? Check out the top 50 content marketers and top 50 social media influencers on Twitter!

About Adrienne Sheares

Adrienne Sheares is an enthusiast for all things social media. On the rare times she’s not on social media, she loves watching any cooking show and frequently pretends she’s a “Top Chef” contestant in her kitchen. You can find her on Twitter at @SocialMediaDC.