Instagram marketing is following quick on the heels of – and threatening to overtake – Pinterest's explosive growth as a photo marketing medium.
While photos/visuals aren't necessarily effective for every business, the same is true of almost all other social media. Wise public relations firms and companies attempting to market themselves through social media will explore the various channels available to find the ones right for their brand.
If you're interested in exploring Instagram, Jason Miller over at Marketo has put together this beautiful infographic that covers the "5 Ws and an H" (who, what, when, where, why and how) of:
(click on the image for full size)