Some skills act like principal; others act like interest. Financial literacy, AI judgement, systems thinking and evidence-based decision making are the compounding ones — every additional hour spent on them raises the base on which every other capability is built. Most of what the average organisation loads into its learning portal, by contrast, spends like interest: useful once, then gone. That distinction between principal and interest is the real budget decision facing L&D leaders this year, and it has nothing to do with adding another course to the catalogue.
The content treadmill has a simple psychology behind it — new content signals progress. But if we audit not what was shipped but what changed in behaviour, the gap is sobering. Employees consistently report they 'can't find the good stuff', not because there is too little content but because there is too much weak structure around it. The 2026 upgrade is not production; it is curation. Fewer, sharper experiences, sequenced so that each one previews or reuses the one before it, beat a thousand isolated videos that nobody can recall a week later.
The practical shift begins with capability maps, not catalogue reviews. Take the twelve to fifteen capabilities that underpin your next three business priorities — not your current programme list — and ask whether each programme compounds them. If yes, the modules feed a real assessment; if no, redeploy the spend. For leadership specifically, this means replacing the soft-skill 'days off' with deliberate practice: judgement rehearsed through simulations, decisions and cross-functional exposure, where progress is earned through performance rather than attendance.
Finally, stop optimising for the syllabus and optimise for the base it builds. If a skill makes the next skill faster to acquire, it earns its place; everything else is administrative busywork. A compounding portfolio is also more honest about return: capability that stacks, cascades across teams, and drags business outcomes along with it — measured not in completions but in how quickly the next investment lands. That is the default recommendation we are giving leadership teams as they fund their 2026 plans.