Importance of Technical Documentation

We often talk about technical debt in software teams, but have you ever considered 𝗸𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗱𝗲𝗯𝘁? 👀 It’s the hidden cost of undocumented or inaccessible know-how in a growing company. In my experience, teams feel this pain daily, even if they don't have a name for it. 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗗𝗲𝗯𝘁? Knowledge debt is the backlog of important information that hasn’t been documented or shared widely. At first, a little tribal knowledge might seem harmless—everyone just asks Alice for deployment steps or Bob for tricky client questions. But that ends when Alice is on vacation or Bob leaves. Just like technical debt, knowledge debt accumulates "interest." Every time we postpone writing a how-to guide or skip recording the "why" behind a decision, we create knowledge debt by borrowing against future productivity. Rushing a project without docs is like a short term hack in code—it works for now but leaves everyone struggling later. 𝗧𝗵𝗲 𝗜𝗺𝗽𝗮𝗰𝘁 𝗼𝗳 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗗𝗲𝗯𝘁 ❌ 𝗪𝗮𝘀𝘁𝗲𝗱 𝘁𝗶𝗺𝗲 𝘀𝗲𝗮𝗿𝗰𝗵𝗶𝗻𝗴: We lose around 1.8 hours a day searching for info—nearly a full day per week even for a small team! ❌ 𝗢𝗻𝗯𝗼𝗮𝗿𝗱𝗶𝗻𝗴 𝗰𝘂𝗿𝘃𝗲: Relying on “ask Joe” for information slows down onboarding, estimated to cost companies millions in lost productivity. ❌ 𝗗𝗲𝗹𝗮𝘆𝗲𝗱 𝗱𝗲𝗰𝗶𝘀𝗶𝗼𝗻𝘀: When information is hard to find, decisions come to a stall. 68% of companies face project delays from missing info. ❌ 𝗥𝗲𝗶𝗻𝘃𝗲𝗻𝘁𝗶𝗻𝗴 𝘁𝗵𝗲 𝘄𝗵𝗲𝗲𝗹: Nearly 59% of R&D and product teams later discover the expertise or project they recreated already existed within their company. ❌ 𝗙𝗿𝘂𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗰𝗵𝘂𝗿𝗻: 81% of employees feel frustrated when they can’t access the info needed to do their jobs, which can erode morale and push talent to leave. 𝗧𝘂𝗿𝗻𝗶𝗻𝗴 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗗𝗲𝗯𝘁 𝗶𝗻𝘁𝗼 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗖𝗮𝗽𝗶𝘁𝗮𝗹 ✅ 𝗖𝘂𝗹𝘁𝗶𝘃𝗮𝘁𝗲 𝗮 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝗰𝘂𝗹𝘁𝘂𝗿𝗲: Use internal wikis or docs and lead by example—record key decisions and insights. ✅ 𝗕𝗿𝗲𝗮𝗸 𝗱𝗼𝘄𝗻 𝘀𝗶𝗹𝗼𝘀: Host brownbag sessions, circulate newsletters, and rotate team members across projects to share knowledge. ✅ 𝗠𝗲𝗻𝘁𝗼𝗿𝘀𝗵𝗶𝗽: Pair newcomers with veterans to transfer implicit undocumented knowledge. ✅ 𝗧𝗿𝗲𝗮𝘁 𝗸𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗮𝘀 𝗮𝗻 𝗮𝘀𝘀𝗲𝘁: Designate “knowledge champions” or host Documentation Days to regularly “pay down” your debt. This pays off not only with the team, but also with the coming of AI agents who can utilize this knowledge to reliably and accurately get things done. ✅ 𝗠𝗮𝗸𝗲 𝗸𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝘀𝗲𝗮𝗿𝗰𝗵𝗮𝗯𝗹𝗲: Invest in tools that unify scattered information. Paying off knowledge debt turns a liability into an asset. When your team's know-how is documented and accessible, you build 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗖𝗮𝗽𝗶𝘁𝗮𝗹! New hires get up to speed faster, teams feel unblocked to do their best work, and learnings compound across projects.

Good documentation saves more than it costs. But only if you start early. Documentation isn't just about code comments or technical specs. It's your company's institutional memory and operational backbone. But, left unaddressed it can cause problems. Every undocumented decision creates hidden costs that compound as you grow. It’s an easy trap to fall into. Early-stage teams understandably prioritize speed over documentation. The costs are often invisible: 🔍 Knowledge walks out the door if someone leaves 🕐 New hires take much longer to become productive ⌛ Senior engineers spend hours answering basic questions ⚠️ Development slows while technical debt soars It doesn’t stop there. Lack of documentation can impact the entire business: 🤝 Implementation partners require clear system documentation. 🕵️ Enterprise clients evaluate documentation during vendor selection. 💸 Investors scrutinize documentation quality during due diligence. The solution requires commitment, not complexity: 1️⃣ Start documenting key decisions and system design. 2️⃣ Build documentation reviews into your development cycle. Over time, your high-quality documentation becomes a strategic advantage. It might not be the most exciting part of building a business, but documentation can be the difference between scaling successfully and remaining dependent on tribal knowledge. 💬 What hidden costs of poor documentation have you experienced? Share your experience. ♻️ Know a founder or CTO who needs to see this? Share it to help them out!. 🔔 Follow me Daniel Bukowski for daily insights about delivering value with connected data.

Good technical documentation isn’t just a nice-to-have—it’s the backbone of scalable, efficient operations. Without it, teams waste time reinventing the wheel, fixing the same issues repeatedly, and relying on tribal knowledge that disappears when key employees leave. Clear, concise, and well-structured documentation turns complex processes into repeatable playbooks, empowering teams to work smarter, not harder. It bridges the gap between technical experts and business stakeholders, ensuring that knowledge is accessible, actionable, and aligned with company goals. Great documentation isn’t just about capturing “how” something works—it should also explain “why” decisions were made, preventing future teams from making the same mistakes. If your documentation isn’t easy to find, well-organized, and frequently updated, it’s almost as bad as not having any at all. The best documentation is written with the user in mind: Can a new hire follow it without asking for help? Can a non-technical person understand the key takeaways? Investing in documentation today saves countless hours tomorrow. It’s one of the highest ROI activities a RevOps team can prioritize.