Jenn Herman In this Instagram FAQs series, Jenn Herman, the world's foremost blogger and author on Instagram marketing, answers our burning questions about Instagram. The algorithm on Instagram* is a one-to-one relationship–unlike Facebook, which is a bit of a popularity contest. Facebook: The more people that interact with your posts, the more people Facebook shares them to. Instagram: How you interact with my content determines where my content appears in your feed. (*In...