2026 Global AI Industry Trends & Highlights

When several outlets cover the same story it counts as one event. Heat counts how many independent sources discussed it in the last 48 hours, each source counted once, decaying with a 24-hour half-life — so one outlet publishing ten posts does not inflate the ranking. It measures how active the discussion is, not how good the reporting is.

The board is refreshed once a day over a rolling 48-hour window. The trend line samples once an hour: with fewer than three samples nothing is drawn, and gaps break the line instead of counting as zero.

The up/down arrow compares with six hours ago, with natural decay removed: a story only counts as rising when new independent sources joined in the last six hours. Simply getting older does not read as a fall, and the surge badges only appear when new outlets actually pick the story up.

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Surge

Discussion rising fast

New

First report within 6 hours

Rising

Still gathering discussion