Five areas where the current knowledge base has limited or no coverage, prioritised by currency of change and degree of gap.

19 councils, £50,000 each — what the first wave of NHS Digital's Social Care Digital Innovation Programme taught us about digital change in social care.

The £480m Palantir-led platform — the largest single test of the platform hypothesis in the NHS, and what its adoption difficulties reveal about the Complexity Challenges.

The strategic arc from 2014 to the present — escalating ambition, £8.1bn in investment, and a persistent gap between targets and delivery.