# Pulse / Data Feed

This section explains the Feed (real-time content stream) and Pulse (discussion layer) you see in the UI. It’s designed to surface *what’s moving attention right now* and to give traders context behind DoA moves.

#### <mark style="color:yellow;">1. Growing Content</mark>

Content that has grown by X% in activity over the tracking window.

* Definition (high level):\
  Growth% = (current engagement – baseline engagement) / baseline engagement.\
  Baseline and current are computed on rolling windows (e.g., last 60m vs. prior 60m) with spam/duplicate filtering.
* Signals considered: per-post velocity (likes, comments/replies, reposts/quotes, impressions/views), author uniqueness, and recency.
* Why it matters: flags *fresh surges* that often precede DoA upticks.

#### <mark style="color:yellow;">2. Trending Topics (Clustered)</mark>

We cluster reviewed content into subtopics / trends under each main topic and highlight a representative post / video per cluster.

* Clustering (overview): semantic embeddings + keywords → deduplication → cluster labeling (top n-grams / entities).
* Representative item: highest “cluster centrality × engagement” score (not always the most liked—aims to be most *on-topic*).
* Why it matters: turns noisy streams into narratives you can trade (long/short DoA).


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