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Illustration: Sarah Grillo/Axios

TikTok's explosive rise has given the world a new generation of influencers and memes that befuddle people over the age of 21. It has also handed Facebook a new tool in the social giant's effort to fend off wide-reaching antitrust action.

Why it matters: To neutralize concerns about their market power, Facebook and other tech giants have to successfully define the markets they compete in as broad and teeming with other players ready to challenge their dominance.

What they're saying: During a recent House Judiciary Committee hearing on the market power of online platforms, Facebook head of global policy development Matt Perault pointed to TikTok as evidence that it's still possible to create a successful social network more than a decade after Facebook took off.

  • “We compete with companies from all around the world," he said. "TikTok, for example, a Chinese app launched less than three years ago, has been downloaded more than a billion times and was the most downloaded iOS app in 2018.”

Rep. David Cicilline (D-R.I.), the chairman of the House Judiciary antitrust subcommittee, seemed concerned enough about Facebook's TikTok argument that he tried to dismiss it preemptively in his opening statement at the hearing.

  • He said that notwithstanding "the growing popularity of TikTok … Facebook captures over 80 percent of global social media revenue.”

Flashback: TikTok, which is owned by a Chinese company called ByteDance, has seen its influence and user base grow substantially in the United States since it was introduced to a stateside audience via a rebrand of the lip-sync app Musical.ly.

  • Young people in particular have been drawn to the ability to share 15-second looping videos often riffing on established memes or popular sound clips. TikTok's appeal echoes that of Vine, the beloved video-sharing app shut down by Twitter in 2016.
  • The app has accumulated cultural capital as well. The artist Lil Nas X's track "Old Town Road" saw its popularity surge earlier this year thanks in part to TikTok.
  • Facebook has, in fact, tried to copy the app's success with a similar product called Lasso.

The big picture: Facebook's comments about TikTok come as it, Google, Amazon and Apple prepare cases for government regulators arguing that they operate in competitive marketplaces.

  • People familiar with Facebook's thinking on competition issues said Facebook views TikTok's rapid growth as one key example in its broader antitrust defense.
  • The company particularly sees it as evidence that Facebook’s reach has not limited the barriers to entry for new startup social products, one of the people said.

Yes, but: Unmentioned in Facebook's comments about TikTok is the fact that it not only competes with Facebook, but is one of its advertising customers as well.

  • A source familiar with the matter said that TikTok had spent substantially on online advertising to acquire new users late last year and early this year, including on Facebook.
  • TikTok does not release its user numbers, though in January one firm estimated that it was adding tens of millions of new users a month.

TikTok is not the only company Facebook cites as an important competitor. Others range from video sites like YouTube to messaging applications like Viber and Telegram.

The bottom line: Facebook's TikTok argument is unlikely to placate its most fervent critics.

  • Asked last week about Facebook's argument around TikTok, presidential candidate Sen. Elizabeth Warren (D-Mass.) burst into laughter for two seconds, paused as we got onto an elevator, then laughed again.
  • She said that an argument like that coming from Facebook "is a reminder: these guys have too damn much power. It makes them arrogant and disconnected from reality, and I laughed out loud.”

Go deeper

Biden pledges to cut greenhouse gas emissions by up to 52% by 2030

U.S. President Joe Biden seen in the Oval Office on April 15. (Photo by Doug Mills-Pool/Getty Images)

The Biden administration is moving to address global warming by setting a new, economy-wide greenhouse gas emissions reduction target of 50% to 52% below 2005 levels by 2030.

Why it matters: The new, non-binding target, is about twice as ambitious as the previous U.S. target of a 26 to 28% cut by 2025, which was set during the Obama administration. White House officials described the goal as ambitious but achievable during a call with reporters Tuesday night.

Exclusive: Chauvin trial prosecution worked with strategic communications firm

People gather at the intersection of 38th Street and Chicago Avenue to celebrate the guilty verdict in the Derek Chauvin trial on April 20, 2021 in Minneapolis, Minnesota. Photo: Brandon Bell/Getty Images

For most of the past year, a strategic communications firm with deep Washington ties has played an integral role for the prosecution in the State of Minnesota v. Derek Chauvin — operating without pay and so under-the-radar that most of its own staff had no idea.

The big picture: Finsbury Glover Hering — formerly known as the Glover Park Group — has been conducting media monitoring and analysis as part of legal team special prosecutor Neal Katyal's vision for a three-pronged "modern appeal/trial strategy."

World leaders brace for historic Trump Facebook ban decision

Illustration: Aïda Amer/Axios

The upcoming decision from Facebook’s independent Oversight Board on whether to uphold or reverse Facebook’s indefinite suspension of former President Trump’s profiles has policymakers on edge.

Why it matters: The decision will set a historic precedent for how the tech giant treats accounts of world leaders, and could be a litmus test for the board’s power.