Instagram's a great place to interact with others and reach an audience outside of the people you already know—until it's not. What's a Shadowban? If you're scratching your head, here you go: A shadowban is when, even though you're using hashtags, your post doesn't reach anyone except your followers. Your list of followers begins to decline, and your posts get no love. You're left frustrated and screaming at the void because you can't seem to figure out where you went wrong.