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  1. Sound will autoplay for videos in newsfeed: About 60% of videos on Snapchat play with the sound on, giving Snapchat a leg up for video advertisers. Facebook reportedly had an 80% video sound off rate.
  2. Vertical Video: Snapchat championed vertical video, and began pushing it in the market in 2015, when they said vertical video yields the best-performing shows and ads and ads are viewed 9x more frequently when shot vertically over horizontally. Facebook began testing in-feed vertical video in 2016 and the feature will now be available on iPhone and Android devices.
  3. Watch and Scroll: It's now possible to minimize the video so that it keeps playing in the corner of your screen while you browse other stories in News Feed. This is something publishers have been long-experimenting, to help increase video engagement numbers as viewers navigate their sites. CNN.com and YouTube have similar watch and scroll video features.

Why it matters:

Facebook is scrambling to optimize its video viewing experience to be able to increase the competitiveness of video advertising in its ad auction and to compete with other platforms to win video advertising dollars. 2017 is supposed to be a slow growth year for Facebook advertising, and revenues are expected to come down significantly.

Go deeper

Biden's Day 1 challenges: Systemic racism

Photo illustration: Sarah Grillo/Axios. Photo: Kirsty O'Connor (PA Images)/Getty Images

Advocates are pushing President-elect Biden to tackle systemic racism with a Day 1 agenda that includes ending the detention of migrant children and expanding DACA, announcing a Justice Department investigation of rogue police departments and returning some public lands to Indigenous tribes.

Why it matters: Biden has said the fight against systemic racism will be one of the top goals of his presidency — but the expectations may be so high that he won't be able to meet them.

Caitlin Owens, author of Vitals
1 hour ago - Health

Most Americans are still vulnerable to the coronavirus

Adapted from Bajema, et al., 2020, "Estimated SARS-CoV-2 Seroprevalence in the US as of September 2020"; Cartogram: Andrew Witherspoon/Axios

As of September, the vast majority of Americans did not have coronavirus antibodies, according to a new study published in JAMA Internal Medicine.

Why it matters: As the coronavirus spreads rapidly throughout most of the country, most people remain vulnerable to it.

Trump set to appear at Pennsylvania GOP hearing on voter fraud claims

President Trumpat the White House on Tuesday. Photo: Chip Somodevilla/Getty Images

President Trump is due to join his personal lawyer Rudy Giuliani in Gettysburg, Pennsylvania, Wednesday at a Republican-led state Senate Majority Policy Committee hearing to discuss alleged election irregularities.

Why it matters: This would be his first trip outside of the DMV since Election Day and comes shortly after GSA ascertained the results, formally signing off on a transition to President-elect Biden.