The feed watches what viewers do, not what you meant

You will be able to explain how a social feed decides how far a post travels, and what that means for a small account.

Open any short-video app and watch how your own thumb behaves. You give most videos a fraction of a second. If nothing in that moment tells you this one is for you, you are gone before the creator finishes saying hello. You are not being rude. You are doing what every viewer does, and what the platform measures.

That is the first idea of this course: a social platform is a feed that ranks posts by what people do with them. It does not reward effort, production budget or how long you spent on the caption. It watches what real viewers do in the first moments and after, and it shows the post to more people when those viewers stop, watch, share, save or comment. When they scroll past, it shows the post to fewer.

The platforms describe their own ranking systems in their help centres and creator guides, and the details change often. The broad pattern has held for years across TikTok, Instagram Reels, YouTube Shorts and the Facebook feed: a new post is shown to a small group first, and how that group responds decides how far it travels. So the people who see your post first are, in effect, voting on whether anyone else will.

This changes how you should think about a follower count. On most short-video feeds today, people who do not follow you can see your posts, and people who do follow you may not. A small account can have one video seen far beyond its followers, and a large account can post something that goes nowhere. Followers still matter, because they are the people most likely to respond early. But the post itself has to earn its reach every time.

Take Mei Ling, who runs a home bakery in Punggol selling custom birthday cakes. The owner posts a polished photo of a finished cake with a caption listing flavours and prices. It is a nice photo. It also looks like a hundred other cake photos, so most people scroll past, and the feed reads that as a signal. The next week she posts a fifteen-second clip that opens on a cake collapsing in the oven, with the text: the third time this happened, I changed one thing. People stop to see what went wrong. They watch to find out what she changed. Some save it. The feed reads that as a signal too, and shows it to more people.

Nothing about the second post needed better equipment. It needed a reason to stop in the first moment and a reason to stay after. You will spend two modules of this course on exactly that: hooks, and the structure that keeps people watching.

There is a second consequence that matters more for a small business. Because each post is judged by how strangers respond, you do not need to be everywhere. You need to be on the platform where your buyers already spend time, posting things they would stop for, often enough that the feed has something to test. A tuition centre whose buyers are parents may do better on Facebook and Instagram than chasing teenagers on TikTok. A B2B consultant may find their buyers on LinkedIn and nowhere else. Choosing platforms comes before making content, and the next lesson shows you how to choose.

Finally, notice what this lesson did not say. It did not give you a best time to post, a magic number of hashtags or a follower count you need to reach. Those claims circulate constantly and they are usually guesses, or true for one account at one moment. Your own analytics will tell you more than any of them, and the last module teaches you to read them.

Your task before the next lesson: open the platform you use most and scroll for ten minutes as you normally would. Each time you stop on a post, write down what made you stop in the first second, and whether you watched to the end. Aim for ten entries. You will use this list when you write your own hooks in module three.

Scroll your most-used platform for ten minutes and log ten posts you stopped on, noting what made you stop and whether you finished it.

Course

• Social media and short-form video