Content marketing is now vital for brands & the "storytelling" is seen increasingly as vital to getting a brand's story across. According to Smart Insights, "sharing long-form content across social media channels in formats including video, infographics, blogs and other media is becoming more of an 'art', as companies are understanding the importance of 'humanising the brand' to reach higher levels of engagement."
Here's a great infographic from OneSpot which explains the science and practice behind it.