In the world of short-form video, three platforms reign supreme: Instagram Reels, TikTok, and YouTube Shorts. For reels videographers, understanding the distinct 'rules of engagement' for each is crucial for success. While it's tempting to cross-post the same content everywhere, a one-size-fits-all approach can limit your reach. This guide will break down the key differences to help you tailor your strategy, covering everything from algorithms to audience expectations.