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Content pillars: how to choose the three topics you are known for
What content pillars are, how to choose three that fit your expertise and audience, and how to turn each one into a month of posts.
· 4 min read
Content pillars are the three or four topics you return to again and again. They sit where what you know meets what your audience needs. Choosing them is the single most useful thing you can do before you post, because it answers "what should I write about?" for good.
Why three
One topic gets repetitive. Seven makes you forgettable, because nobody can say what you are about. Three gives you variety and still lets a stranger describe you in a sentence: "She writes about hiring, onboarding and manager training."
That sentence is the goal. If people cannot say it, you do not have pillars yet.
How to choose them
Draw three lists.
1. What you know from doing. Not what you have read about. Work you have done, problems you have solved, mistakes you have made. This is the list nobody else has.
2. What your audience asks. The questions clients, colleagues or candidates actually put to you. Check your inbox and your meeting notes. If you are asked something three times, it belongs here.
3. What you want more of. The work you would like to be hired for next. A pillar is also a signal.
A pillar is a topic that appears on all three lists. If something is only on the first, it is a hobby. Only on the second, and you will not sustain it. Only on the third, and you have nothing to say yet.
Test each pillar
Before you commit, check each one:
- Can you list ten post ideas in ten minutes? If not, it is too narrow, or you do not know it well enough.
- Is it specific? "Marketing" is a department. "Pricing pages for B2B software" is a pillar.
- Would your ideal reader care? Picture one real person. Would they stop scrolling?
- Can you say something that is not already everywhere? You need a view, an example or a method of your own.
Examples
| Who | Pillars |
|---|---|
| Freelance product designer | Onboarding design · working with founders · design critique |
| Finance lead at a startup | Runway planning · board reporting · hiring a first finance team |
| Software engineer seeking a new role | Reliability lessons · code review habits · learning in public |
| Local bakery | Behind the bake · seasonal specials · the people who work here |
Notice that each set has one pillar about the craft, one about how they work with others, and one that shows character. That mix keeps a feed from feeling like a lecture.
From pillar to posts
For each pillar, rotate through formats so you do not publish the same shape every time:
- How-to — steps for a task.
- Lesson — something that went wrong and what it taught you.
- Opinion — a view with a reason.
- Myth — a common belief that is not true.
- Example — a real case, with permission.
- Answer — a question someone asked you this week.
Three pillars times six formats is eighteen distinct posts before you repeat yourself. At two posts a week, that is two months. For ready-made prompts, see 40 LinkedIn post ideas.
Keep a balance
A simple rule for a week of posting: two pillar posts that teach, and at most one that asks for something. If your pillars are doing their job, the asking takes care of itself, because people already know what you do.
When to change a pillar
Review every quarter. Drop or replace a pillar when:
- you have run out of things to say that are worth reading,
- nobody you want to reach responds to it, or
- your work has moved on.
Changing one pillar is a refinement. Changing all three at once starts you over, so do it only when your direction really has changed.
Putting pillars to work in a tool
Pillars are also the best brief you can give a writing tool. In FinalPost AI, an agent's goals and audience are where they go: tell the Social Media agent your three topics and who they are for, pick several post formats, and each run rotates to the next format so a daily schedule does not produce the same skeleton every day. Every draft waits for your approval. Your pillars decide what it writes about; you decide what goes out.
Pillars work best alongside a defined voice. Do that next: how to find your brand voice.
Frequently asked questions
How many content pillars should I have?
Three is the right number for most individuals and small businesses. Larger teams with several audiences sometimes run four or five.
Can a pillar be personal?
Yes, if it connects to why people follow you. "Parenting while running a company" can be a strong pillar for a founder. Holiday photos are not a pillar.
What if my job covers many topics?
Choose the three you most want to be hired or known for. You can still post about the others occasionally. Pillars are a default, not a cage.