Influencer marketing is more than a buzzword—it's a powerful strategy changing the way brands connect with real people. From teen TikTok stars to micro-influencers with niche audiences, businesses of all sizes are tapping into the trust and reach these voices hold. But not all influencers are created equal. Whether you're aiming for mass visibility or deeper community engagement, understanding the differences between micro, macro, and even AI-generated influencers can help you build smarter, more authentic campaigns.