FDE-the-Guidance-Book-of-Forward-Deployed-Engineer — FDE（前沿部署工程师）从零入门指南（基于范冰《增长黑客》原书框架）
FDE guidance book
Why this scored 0
every term, weightedEngagement gained per hour since the last capture, against the fastest item on its own source
Whether that velocity is itself speeding up, as a per-hour rate
How many independent communities are talking about the same entity
Decays to zero over 14 days
Subtracted once something is big and old — we rank what's next, not what's peaked
Weights are hand-tuned, not learned — we're calibrating them against realized trends as history accumulates. On a topic's first sighting there's no previous reading to compare against, so acceleration starts from a neutral prior rather than a measurement, and velocity falls back to engagement over its whole lifetime until a second reading exists. Full methodology
Signal history
7-day window (free)Entities
Embed a live signal badge
[](https://www.signalcrest.app/topic/gh%3A1316875788)
Drop this in a README or blog post — it updates automatically as the score moves.