Knowing About Is Not Knowing How

Raymond Jestone
July 13, 2026 · 6 min read

We've written about why we want youth building ventures. But wanting to build and being able to build are two very different things, and the distance between them is exactly one thing: skills. Real, practical, usable skills.
This post is about why skills acquisition sits at the center of everything Collably does, and why we're so particular about the word practical.
We learned this lesson the expensive way
If you've read our story, you know how our first attempt went. A group of students, ready to build, full of belief. And when it came time to execute, we discovered that some of the skills in the room existed mostly in words. People had studied design but couldn't design this. Studied programming but couldn't program that. The projects didn't stall for lack of ambition. They stalled because claiming a skill and wielding one are not the same thing.
That failure taught us to never again assume that young people have what it takes just because they want it, or even because they've studied it. Skills have to be deliberately built, and tested against reality, before you can build anything on top of them.
The gap between knowing about and knowing how
Here's the uncomfortable truth about most formal education: it teaches you about things. You learn about programming, about marketing, about accounting. You can pass an exam on the theory of any of them. But an exam never asks you to actually build the system, or run the campaign.
That's the gap. Knowing about swimming is not knowing how to swim, and no one discovers the difference until they're in the water. Thousands of students graduate every year knowing about their fields while never having done the thing itself, and both the job market and the building path punish that gap without mercy. An employer can't hire "about." A venture can't run on "about."
A practical skill, the way we define it, is simple: something you can use, today, to make something real. Code that runs a system. A design a developer can use. A campaign that reaches actual people. If you can't point at something your skill produced, you don't have the skill yet. You have the introduction to it.
Why we don't separate learning from building
Most training programs run in a straight line: learn first, apply someday. We deliberately broke that line. At Collably, skills acquisition runs in parallel with everything else, and there are two reasons why.
First, application is where a skill actually becomes yours. You can watch a hundred tutorials and remain a beginner. Build one real thing and you'll learn more in a month than in a year of watching, because reality gives you the feedback no tutorial can: the bug that makes no sense, the customer who doesn't behave like the textbook said, the design that looked great until someone actually used it.
Second, building tells you what to learn next. When your project needs a payment feature, or your team's product needs a brand, suddenly your learning has direction and urgency. You stop collecting knowledge just in case and start acquiring skills just in time. That's why our trainings always push toward output: real exercises, real tasks, real projects, real feedback, in small cohorts where the instructor knows your name and you can't quietly fall behind.
Learn anything, as long as you go deep
One more thing we believe: practical doesn't mean only technical.
Yes, we train technical skills: data science, AI engineering, web development, cybersecurity. But design is practical. Marketing is practical. Public speaking, financial literacy, business planning, all practical, all buildable-with. Every venture needs more than one kind of skill, which is exactly why teams beat solo builders.
So we don't tell you what to learn. Learn what you love, explore different paths, change your mind. That freedom is the point: it's your one chance to find the thing you'd happily go deep on. What we do insist on is the going deep. Whatever you choose, take it past the introduction, past the certificate, all the way to the point where you can make something real with it. A skill you love and can wield will feed you, and the people you build with, for the rest of your life.
Skills are the entry ticket
So this is why we emphasize practical skills acquisition. Not because certificates are nice to collect, but because everything else we dream of, the teams, the projects, the ventures, the jobs those ventures create, rests on young people who can actually do things.
The ambition is already out there. Our unemployment post covered the surveys: most young Tanzanians want to build something of their own, and what they say is missing is the skills and the training. That's the missing piece Collably exists to supply.
Building is the destination. A practical skill is the ticket. And the best time to earn yours is now, while you're still in school, surrounded by time, teammates, and room to fail.
Pick one skill. Go deep. Then come build with us.

Written by
Raymond Jestone


