With 100% organic reach and 300 million monthly users, Instagram offers brands, big and small, an opportunity to engage, inspire and delight fans. And while Instagram has recently opened itself up to more paid opportunities from advertisers and will be moving towards an eCommerce avenue with it's recently announced 'Shop Now' button, Instagram still offers brands a unfiltered opportunity to reach fans for free.
Kissmetrics created this infographic below that highlights how big brands like Nike, Starbucks & Zara use Instagram to drive engagement and purchases.
Some of the most interesting tidbits of information: