Only changes that move a number. If a figure on this site means something different before and after a date, that date is here.
The Washington Post, Bloomberg, TIME and PBS News were added. This moves the newsroom board and not because any newsroom changed what it does: carried by another asks whether at least one other newsroom ran the story, so a larger pool makes that easier for everyone at once. Figures either side of this date are measured against different rosters and are not a trend.
Fifteen others were tested the same day and could not be added — Reuters, AP, AFP, the New York Times, the FT, the Economist, the Telegraph, the Independent, POLITICO, CBC, DW, TRT World, NHK World, CNA and the Times of India all refuse our reader. Two more answered normally and were still left out: their feeds serve stories eighteen months old as though they were today's.
Which newsroom appeared on a story and when. Stories logged before this date have who but not when, so they cannot contribute to first in or median lead. The board says what share of its window is covered.
The first measurement of how long a story sat before a second independent newsroom carried it. Nothing before this date was timed.
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