Instagram already has tools to filter your comments, but sometimes that's just not enough. What if you're tired of comment spam, or just don't like that creep who tries to flirt with you on every post? You can finally do something about it outside of reporting individual users. Instagram is rolling out comment tools that give you tight control over who can leave feedback on your photos and videos. So long as your account is public, you can set broad controls (such as limiting comments to people you follow). And even if your account is private, you can block specific users.