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Adapted from the Morning Consult's Influencer Report; Chart: Axios Visuals

More young teenagers use TikTok than Facebook, according to a new report from Morning Consult. Instagram and Snapchat still beat TikTok by wide margins, but the viral Chinese karaoke app has quickly become popular amongst Generation Z.

Why it matters: TikTok is following a familiar trajectory, beginning with beating out Facebook as a more popular app for young teens.

  • As its popularity rises, so does the scrutiny that comes with it, putting more pressure on it to innovate commercially and arm itself politically.

Driving the news: TikTok "unveiled new tools to let third-party developers integrate their content onto its platform, seeking to deepen ties in the U.S." between app developers and the platform, Bloomberg reports.

The big picture: The news comes on the heels of policymaker concerns that the Chinese-owned app could be a national security threat to Americans.

  • The CFIUS, or Committee on Foreign Investment in the United States, is reportedly reviewing the TikTok parent company ByteDance's year-old acquisition of U.S. karaoke app Musical.ly.
  • Republican Sen. Josh Hawley told Kim Hart in an interview for "Axios on HBO" that he invited TikTok to a hearing that his committee is hosting on Capitol Hill Tuesday, but that TikTok hasn't responded.
  • "Maybe it's growing popularity, but what exactly does that company do? And again, what's happening to our data when we use that app? ... Americans deserve answers, I think."

Meanwhile, news organizations, brands and celebrities are all rapidly flocking to the platform, in search for their next digital big audience.

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Deadly storm Zeta pummels parts of Alabama and Florida

A satellite image of Hurricane Zeta. Photo: National Hurricane Center/NOAA

Former Hurricane Zeta has killed at least one person after a downed power line electrocuted a 55-year-old in Louisiana as the storm's powerful winds and heavy rainfall moved into Alabama overnight.

What's happening: After "battering southeastern Louisiana and southern Mississippi," Zeta weakened to a tropical storm over central Alabama early on Thursday, per the National Hurricane Center.

Taiwan reaches a record 200 days with no local coronavirus cases

Catholics go through containment protocols including body-temperature measurement and hands-sanitisation before entering the Saint Christopher Parish Church, Taipei City, Taiwan, in July. Photo: Ceng Shou Yi/NurPhoto via Getty Images

Taiwan on Thursday marked no locally transmitted coronavirus cases for 200 days, as the island of 23 million people's total number of infections reported stands at 550 and the COVID-19 death toll at seven.

Why it matters: Nowhere else in the world has reached such a milestone. While COVID-19 cases surge across the U.S. and Europe, Taiwan's last locally transmitted case was on April 12. Experts credit tightly regulated travel, early border closure, "rigorous contact tracing, technology-enforced quarantine and universal mask wearing," along with the island state's previous experience with the SARS virus, per Bloomberg.

Go deeper: As Taiwan's profile rises, so does risk of conflict with China

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Politics: Biden ahead in Wisconsin, Michigan as cases surge in the Midwest.
  2. Health: Fauci says U.S. may not return to normal until 2022 — Trump's testing czar: Surge "is real" and not just caused by more tests Some coronavirus survivors have "autoantibodies."
  3. Business: Consumer confidence sinking Testing is a windfall.
  4. World: Europe faces "stronger and deadlier" wave France imposes lockdown Germany to close bars and restaurants for a month.
  5. Sports: Boston Marathon delayed MLB to investigate Dodgers player who joined celebration after positive COVID test.