Platform Fluency

This skill is a router. The deep platform knowledge lives in the reference files — this skill tells you when and how to use them.

Cross-Platform Mental Model

Platforms differ on three axes. Knowing where a platform sits on each one shapes every recommendation.

Discovery mechanism:

Content-graph (TikTok) — the algorithm shows content based on what it is, not who made it. Follower count barely matters.
Follower-graph (Instagram, LinkedIn) — your existing audience sees your content first. Reach beyond that depends on engagement signals.
Search + recommended (YouTube) — intent-driven. People find content through search, suggestions, and browse. Evergreen content has a long tail.
Conversation-graph (X) — content spreads through replies, quotes, and reposts. Real-time relevance matters most.

Content lifespan: