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What the picker changes
  • Top topics digest — the cards score the selected period against the prior 4 weeks.
  • 12-week heatmap & outlet matrix — show the 12 weeks ending at the selected week (they slide back with the picker, they aren’t a fixed snapshot).
  • Per-topic volume / alias drift — same 12-week trailing window, anchored on the selected period.
  • Coverage gap quadrant — scores the selected period against the 12 weeks before it (not including it).
  • Anomaly cards — only show alerts the detector fired during the selected period. Quiet weeks legitimately show none.
What stays as-is
  • Outlet orientation strip / lean colours — context-only, drawn from the last 12 weeks of activity regardless.
  • Co-occurrence graph — recent-activity anchored, not picker-driven.
  • Source & topic profiles — all-time data for the topic; the picker doesn’t affect them.
Rolling 7 days is a sliding live window for “current vibes”; switch to Weekly to compare specific weeks side-by-side.
Weekly Rolling 7 days
live window
Topic · social

Three Waters Reform

89 posts · 7,559 engagement · first seen 8 Jul 2021 · last seen 15 Oct 2026

New Zealand's policy debate over the proposed centralisation of drinking water, wastewater, and stormwater infrastructure away from local councils into new publicly owned entities, including the Labour-led reforms, their repeal, and the subsequent "Local Water Done Well" replacement framework.

Stance breakdown

How the per-edge framings classify across 40 classified edges. Each framing is labelled by a small AI stance classifier; see the methodology page for details.

13%
78%
8%
Supportive 5 Critical 31 Neutral / explainer 3 Mocking 1

Sentiment breakdown

Whole-post emotional valence across 40 classified posts that reference this topic. Distinct from stance: a post can be supportive of the topic and still negative in tone (an angry supporter) — the two together capture the texture short-form posts compress into very few words.

13%
88%
Neutral 5 Negative 35

Platform mix

Where the conversation is happening. Engagement is volume-weighted (likes + 2×shares + 3×replies); a small number of high-impact posts can outrank a high-volume but low-engagement platform.

  • youtube
    38 posts · 645 engagement
    645
  • reddit
    2 posts · 587 engagement
    587

Top posts by engagement

The most-engaged posts referencing this topic. Engagement is likes + 2×shares + 3×replies; the order matches the digest ranking on /social.