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Esteban Felix / AP

The launch of live video was so important to Facebook CEO Mark Zuckerberg that he took 100 engineers from across the company, starting early last year, and placed them in "lockdown" to focus on getting the project done in just a few months. And he dedicated $100 million to pay big brands to bring their content to Facebook, according to a new Wall Street Journal report.

The down side: Neither Zuckerberg nor the team adequately prepared for potential negative uses of the service, especially as an outlet for gruesome violence. According to the Journal, Facebook Live has shown at least 50 acts of violence, including murder, a beating and multiple suicides. Its policy focuses on taking down only content that glorifies hate or violence.

Why it matters: Live video is a key growth area for social media, with Facebook facing competition from Twitter and Snapchat, among others. Getting it right could mean a generation of new users and big ad dollars, while missing out risks losing relevance.

Go deeper

Updated 3 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Health: Most vulnerable Americans aren't getting enough vaccine information — Fauci says Trump administration's lack of facts on COVID "very likely" cost lives.
  2. Politics: Biden unveils "wartime" COVID strategyBiden's COVID-19 bubble.
  3. Vaccine: Florida requiring proof of residency to get vaccine — CDC extends interval between vaccine doses for exceptional cases.
  4. World: Hong Kong to put tens of thousands on lockdown as cases surge.
  5. Sports: 2021 Tokyo Olympics hang in the balance.
  6. 🎧 Podcast: Carbon Health's CEO on unsticking the vaccine bottleneck.

Trump impeachment trial to start week of Feb. 8, Schumer says

Senate Majority Leader Chuck Schumer. Photo: The Washington Post via Getty

The Senate will begin former President Trump's impeachment trial the week of Feb. 8, Majority Leader Chuck Schumer announced Friday on the Senate floor.

The state of play: Schumer announced the schedule after reaching an agreement with Republicans. The House will transmit the article of impeachment against the former president late Monday.

4 hours ago - Health

CDC extends interval between COVID vaccine doses for exceptional cases

Photo: Joseph Prezioso/AFP via Getty

Patients can space out the two doses of the coronavirus vaccine by up to six weeks if it’s "not feasible" to follow the shorter recommended window, according to updated guidance from the Centers for Disease and Control and Prevention.

Driving the news: With the prospect of vaccine shortages and a low likelihood that supply will expand before April, the latest changes could provide a path to vaccinate more Americans — a top priority for President Biden.