One Story · the most important story of the last 24 hours
Buffett's son, Howard, will succeed him in the role. Buffett had earlier stepped down as Berkshire's CEO last year.
Read the fullest account → Deutsche WelleRunning across 12 outlets in 9 countries, spanning the political spectrum from the centre-left to the right.
Wire services (Reuters, AP, AFP) are global and aren’t plotted.
The lead story is chosen by a fully deterministic score -
coverage × diversity × recency × novelty
× toll - with nothing chosen by hand on the day.
Diversity (spread across countries
and the political spectrum) carries the most weight, so a
story that everyone agrees is big rises above one that is simply
being shouted loudest in a single country's press.
Each dimension below scores from 0 to 1 (higher is stronger), but they don't count equally: each is raised to the weight shown, then the weighted dimensions combine to rank the day's stories - so this story comes out top across the combination today.
How many distinct outlets are running the story - log-scaled, so 20 isn't worth twice 10.
How widely that coverage is spread across countries and the political spectrum - weighted heaviest, so a story merely loud in one bloc doesn't dominate.
Favours stories with fresh, recent coverage over ones already fading (measured from the average time the coverage was published).
Penalises a story that already led on a recent day, easing back over ~4 days, so a repeat must bring bigger coverage to lead again.
Whether the reporting says people were harmed, and how many, read from the headlines themselves and log-scaled. Never zero: it breaks ties rather than deciding.
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