3signals

Technology Decision Reviews

Concise, evidence-based reviews designed to improve executive technology decisions.

TDR-005 cover: Best Product or Best Portfolio?

TDR-005 · August 2026

Best Product or Best Portfolio?

The best individual product is not necessarily the best enterprise decision.

The product decision and the portfolio decision cannot be separated.

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TDR-004 cover: The End of the Proof of Concept?

TDR-004 · August 2026

The End of the Proof of Concept?

The first proof should address the greatest uncertainty—not automatically the technology.

The better discipline is to identify the uncertainty that matters most, then demand the proof designed to resolve it.

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TDR-003 cover: The End of API-First?

TDR-003 · August 2026

The End of API-First?

APIs are not disappearing. But exposing interfaces is no longer enough when autonomous systems need governed business capabilities.

API-First remains an architectural discipline. Capability-First becomes the management discipline for autonomous execution.

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TDR-002 cover: The End of Buy-Before-Build?

TDR-002 · July 2026

The End of Buy-Before-Build?

The question is no longer whether software can be bought. It is whether competitive advantage should be.

Software sourcing is becoming a capital-allocation decision. Buy what is standard, build what differentiates and continuously reassess the boundary.

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TDR-001 cover: The End of Cloud-First?

TDR-001 · July 2026

The End of Cloud-First?

Cloud isn't ending. Automatic Cloud-First decision-making is.

Cloud strategy is becoming a capital-allocation decision. The relevant question is no longer whether organisations should use cloud, but where each technology investment creates the greatest business value.

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