Facebook is changing its video algorithm to incentivize publishers to create more long-form video. They'll be looking at the percent completion rates to determine video interest and they'll be weighing the percent completion higher for longer videos.

Why it matters: It's another step to compete with TV networks for ad dollars on long-form content.

Facebook's step-by-step :

1) introduced a live platform and paid publishers $50 million collectively to produce content for it as an incentive. They incentivized those partners to make live videos longer by algorithmically favoring videos at least 10-minutes long.

2) Rolled out a video tab to test housing an in-platform destination for long-form video.

3) Announced they were testing mid-roll ads that can be monetized for publishers but are only available for videos longer than 90-seconds.

What to expect: Facebook will still count a video view at any length as three seconds, but without the financial and algorithmic incentive to produce short video, you'll probably see less of that from publishers in your newsfeed.

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The Emmy Awards Sunday night addressed the major U.S. issues this year — including the protests on systemic racism and police brutality, the wildfires engulfing parts of the West Coast, the census, the pandemic, essential works and the election.

Why it matters: Award shows have always addressed wider cultural issues, but this year — amid unprecedented stress and uncertainty — that trend has accelerated.

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Arrest over letter to Trump containing poison ricin

President Trump returning to the White House from Minnesota on Sept. 18. Photo: Win McNamee/Getty Images

A suspect was arrested for allegedly "sending a suspicious letter" after law enforcement agents intercepted an envelope addressed to President Trump containing the poison ricin, the FBI confirmed in an emailed statement to Axios Sunday.

Details: The suspect, a woman, was arrested while trying to enter New York from Canada, law enforcement forces said.