← Back to Library

The simple test that blew up the FTC's case against Meta

Casey Newton · Platformer · ·13 min read
Commentary by Hex Index staff

This is not a story about a legal victory for a tech giant; it is a story about how the government's understanding of the modern internet has become dangerously obsolete. Casey Newton's reporting on the collapse of the Federal Trade Commission's antitrust case against Meta reveals a startling disconnect: regulators are trying to apply 20th-century market definitions to a digital ecosystem that has fundamentally rewritten the rules of competition. The most surprising element isn't the verdict itself, but the specific, simple experiment that proved the government's entire premise was flawed.

The Flaw in the Market Definition

Newton opens by dismantling the core argument of the FTC: that Meta operates in a distinct market called "personal social networking," isolated from broader entertainment platforms. The agency insisted that apps like Facebook and Instagram were unique because they connected friends and family, distinct from the content-driven models of YouTube or TikTok. Newton notes that this framing was already shaky when the case was filed in 2020, pointing out that TikTok had already amassed 800 million users and was reshaping consumer behavior. "In December 2020, when the FTC filed its case, I predicted that the government would lose due to its shoddy market definition," Newton writes. This prediction wasn't guesswork; it was based on internal documents showing that when TikTok was banned in India, Instagram usage surged, proving the two were direct rivals.

The simple test that blew up the FTC's case against Meta

The argument here is compelling because it relies on actual user behavior rather than theoretical categories. The FTC tried to draw a static line around "social networking," but Newton highlights how the judge, James E. Boasberg, recognized that the market had moved on. "The social graph no longer has the power it once has," Newton explains, noting that the judge observed how friend lists have become "an often-outdated archive of people they once knew." This shift from connecting with known contacts to consuming algorithmic content is the critical pivot point the regulators missed. A counterargument worth considering is that the FTC was trying to protect the specific mechanism of connection, not just the content, but as Newton points out, users clearly do not distinguish between the two in their daily habits.

"Like Heraclitus's river, the rapids of social media rush along so fast that the Court has never even stepped into the same case twice."

Newton draws a powerful parallel to the ancient Greek philosopher Heraclitus, whose concept of the ever-changing river perfectly encapsulates the legal struggle. The judge noted that when the case first began, the word "TikTok" didn't even appear in the opinions. By the time of the ruling, the existence of that platform had effectively decided the outcome. This historical reference adds necessary depth, reminding us that antitrust law often struggles to keep pace with technological evolution, much like the 1998 United States v. Microsoft Corp. case where the definition of a "browser" was central to the debate over operating system dominance.

The Experiment That Broke the Case

The turning point of the coverage is the detailed account of a substitution study conducted by John List, a professor at the University of Chicago. Newton describes how Meta paid 6,000 participants to stop using Facebook or Instagram for an hour, paying them $4 per hour of abstinence. The results were decisive. "The No. 1 destination for those shut out of Facebook and Instagram was YouTube. The No. 2 destination was whichever Meta app they weren't being paid to avoid," Newton writes. The study found that when Meta apps became "costly," users turned to TikTok, YouTube, and Snapchat, with no other app notably standing out.

This evidence is devastating to the FTC's case because it moves the debate from legal theory to empirical data. The government had argued that if a grocery store sells pet food, it doesn't become a competitor to a pet store. Newton reports that Judge Boasberg rejected this analogy, noting that consumers treat TikTok as a replacement for the very "friends' posts" the FTC claims have no substitute. "This experiment, which in the Court's judgment offers the single best evidence of what consumers consider alternatives to Meta's apps, tells a clear and consistent story," Newton quotes the judge. The strength of Newton's coverage lies in how he lets the data speak for itself, showing that the market is defined by where people actually go, not where regulators think they should go.

Critics might argue that paying people to stop using an app creates an artificial scenario that doesn't reflect organic switching behavior. However, Newton addresses this by noting that the study controlled for normal usage patterns and was corroborated by natural experiments, such as the massive outage of Meta services in October 2021, which saw a surge in TikTok and YouTube usage.

The Aftermath and the Path Forward

The ruling has significant implications for how the executive branch approaches tech regulation. Newton points out that while the FTC failed to prove a monopoly, the case did have a "salutary effect": it froze Meta's acquisition spree for five years. "For the past five years, Meta has struggled to acquire any other company in its space," Newton observes. This pause allowed new competitors to emerge, such as OpenAI with ChatGPT, and forced Meta to overhaul its own AI efforts. The market, left to its own devices, began to innovate in ways the regulator's static model could not predict.

Newton concludes by noting the irony that the administration's attempt to check Meta's power may have inadvertently strengthened the competitive landscape by forcing the company to innovate rather than acquire. "The moment didn't last for long, though," Newton writes regarding the stagnant market, noting that Meta remains a formidable $1.51 trillion company. The piece ends with a sobering reality check: if the US government wants to check the power of tech giants, it will have to try something else, as the current legal toolkit is ill-suited for a market that changes as fast as the "rapids of social media."

Bottom Line

Casey Newton's analysis is a masterclass in connecting technical market dynamics to high-stakes legal outcomes, proving that the FTC's failure was a failure of imagination rather than evidence. The strongest part of the argument is the reliance on the substitution study, which provided irrefutable proof that the market is far broader than the government claimed. Its biggest vulnerability is the lack of a clear alternative framework for the administration to use, leaving regulators with a powerful warning but no new map for the future. Readers should watch for how the administration pivots next, as the tools of the past are clearly insufficient for the digital present.

Deep Dives

Explore these related deep dives:

  • United States v. Microsoft Corp.

    The landmark 2001 antitrust case against Microsoft provides essential historical context for understanding how the government approaches tech monopoly cases, the legal standards involved, and why the FTC's market definition strategy in the Meta case was so problematic compared to the clearer market boundaries in the Microsoft case

  • Heraclitus

    Judge Boasberg directly quoted Heraclitus's famous river metaphor to explain why antitrust definitions struggle with rapidly evolving tech products. Understanding this pre-Socratic philosopher's doctrine of constant change ('you cannot step into the same river twice') enriches the reader's appreciation of the legal reasoning

  • Relevant market

    The entire FTC case hinged on defining the 'relevant market' for antitrust purposes - a technical legal and economic concept. Understanding how courts determine market boundaries, substitutability, and competitive constraints explains why the FTC's narrow 'personal social networking' definition failed against evidence of broader consumer behavior

Sources

The simple test that blew up the FTC's case against Meta

by Casey Newton · Platformer · Read full article

On Tuesday, a federal judge ruled that Meta’s acquisitions of Instagram and WhatsApp did not create an illegal monopoly. The reasons why were clear even before the Federal Trade Commission filed its case. But a single experiment conducted by the company wound up persuading a judge that the FTC has been attempting to protect a market that doesn’t exist — and now the government’s most serious effort to regulate Meta appears to have collapsed.

It is an outcome that many of us have long predicted. The FTC’s case rested on the idea that Meta competed in a market called “personal social networking,” which comprised just four apps: Facebook, Instagram, Snap, and MeWe. The government sought to distinguish these apps, which it said were used primarily by people who wish to interact with friends and family members, over more general-purpose entertainment apps such as YouTube and TikTok.

In December 2020, when the FTC filed its case, I predicted that the government would lose due to its shoddy market definition. At that time, TikTok already had 800 million users, and the entire consumer internet was remaking itself around the company’s innovations. Citing internal company documents that Platformer had obtained, I noted that after TikTok was banned in India, Instagram use surged — clear evidence that the companies were and remain close rivals.

A year later, US District Court Judge James E. Boasberg dismissed the FTC’s lawsuit for failing to provide sufficient evidence to back up its assertion that Meta held a monopoly in personal social networking. But he let the FTC try again, and allowed the case to move forward in 2022. Even then, he warned the FTC that it was on shaky ground. (“Although the agency may well face a tall task down the road in proving its allegations, the court believes that it has now cleared the pleading bar and may proceed to discovery,” Boasberg wrote at the time.)

The trial finally began this April. From the start, the government struggled to get Meta executives to offer evidence that would bolster their case. When the government pressed CEO Mark Zuckerberg on the idea that Meta’s core value proposition is to connect friends and family, Zuckerberg pointed out — accurately — that over the past few years usage has gradually shifted to watching Reels and other content made by creators.

In the end, it was a simple experiment that undid ...