How long should your blog posts be? Your tweets? Your podcasts or YouTube videos?
Time is money and researchers are paying close attention to these issues. Social media tracker SumAll has shared the available research - and some knowledge of its own - to build this helpful infographic. Thanks to tool-maker Buffer for sharing.
If you ever wanted your videos to go viral, or wondered how to get people to re-tweet your posts, these tips might be just what you need.