Brands generally understand the most engaging lengths for billboard headlines, print copy and TV spots. But what about tweets, Facebook posts and online videos?
The infographic below crunches some data to suggest the ideal length of everything online. Rules are made to be broken, of course, and this isn't to say other lengths can't work. A lot depends on the type of content, and audience.
But it's a decent primer on how not drone on too long with your content.