Idea Ripper // ArchiveCards: 1555 [Live] | Updated: 2026-10-14
Card #c61IR // #c61Synthesis

Two products are complements if a drop in the price of one pushes out the demand curve for the other.

— In our words · Source: Machine, Platform, Crowd (Andrew McAfee & Erik Brynjolfsson)

[Use when]

When you're deciding whether to open up or lock down.

[Why it matters]

The one-line economics behind the whole platform playbook: open the platform, let outsiders build complements, watch demand for your product rise.

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