Systems of Engagement

Which Business Systems Can You Build Yourself? Sort Them by How Often the Data Changes

Internal FAQs, ledgers, and intranet portals rarely change their data, and with generative AI they have become realistic to build and own yourself. But read plainly, Gartner's pace-layered model says the opposite: slow-changing systems of record belong on standard packages. This article adds a second axis, weight (complexity, volume, and regulation), sorts business functions into four groups, and gives a quick-reference table showing what to build and what, like accounting and payroll, should stay on SaaS.