The hook is like the first three seconds.That's your hook.The point of the hook is to stop the scroll.How do we measure hook?It's all well and good saying you need a good hook to stop the scroll.But say we all made a video and all had different hooks.How do you actually measure it?Well, this happens inside the ad account inside Tiktok or Meta's ad account and it's really measured as a percentage.So it's how many people are served your video per thousand.So we call it CPM.The CPM is 1000 people and it's divided by how many of them actually watch for the length of the hook, which is three seconds and it's a three second watch time.If you're getting a 20% hook rate, you're on something.Watch the video here: https://www.instagram.com/p/CukJvsBqK1m/