Index of Friction — Vol. II

Top Bottlenecks

Bottlenecks are clustered into umbrellas by semantic similarity — every new submission is embedded and joined to the closest existing umbrella, or seeds a new one. The umbrellas with the most validated members rise to the top of the index.

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Clustering Methodology

[1] Each submission is embedded with Voyage AI voyage-4-large (1024 dims) and assigned to the closest existing cluster when cosine similarity ≥ 0.85, otherwise it seeds a new umbrella. Names and summaries are AI-generated once an umbrella reaches a stable size.

Submission Policy

[2] New Bottlenecks require a one-time submission fee, which funds editorial review and offsets adversarial spam. Posting a bid commits a monthly price that's only charged if you later approve a proposed solution.