Reynand Wu
By TechCrunch Editorial Staff
Updated: July 10, 2026
In the high-stakes world of e-commerce technology, reputation is the most valuable currency. For Phia, the shopping-focused startup co-founded by Phoebe Gates—daughter of Microsoft co-founder Bill Gates—and activist Sophia Kianni, that currency has taken a significant hit. Following a bombshell investigative report by Bloomberg published this week, the young company finds itself at the center of a growing controversy involving "cookie stuffing," an aggressive and often prohibited affiliate marketing tactic that allegedly allowed the platform to siphon commissions from sales it did not influence.
The fallout has been swift. Phia has been suspended from Impact.com, one of the industry’s most critical affiliate and influencer marketing platforms, and industry experts are now questioning whether the startup’s business model is fundamentally built on predatory technical practices.
The Core Allegation: What is "Cookie Stuffing"?
At the heart of the dispute is a technical maneuver known in the affiliate marketing world as "cookie stuffing" (or "cookie dropping"). To understand why this has triggered such a strong reaction, one must first understand how affiliate marketing works.
Affiliate programs allow companies to pay third-party platforms a commission for driving traffic or sales to their stores. When a user clicks a referral link, a "cookie" is dropped on their browser, signaling to the retailer that a specific partner deserves a cut of the resulting transaction.
According to the Bloomberg investigation, Phia’s browser extension was doing more than just helping users find deals. Even when a consumer arrived at a retail site independently, or through a different affiliate program—such as the New York Times’ Wirecutter—Phia’s extension would allegedly trigger a background process. This process would surreptitiously open a new tab, "stuff" its own affiliate cookie into the user’s browser, and effectively override the referral credit.
In simple terms, if a shopper was already on the path to a purchase, Phia would step in at the eleventh hour, claim the credit, and collect the commission, despite having played no role in the customer’s decision to purchase or their journey to the site.
Chronology of a Crisis: From Funding to Fallout
The trajectory of Phia has been meteoric, yet the cracks in its technical implementation appear to have been present for months.
- January 2025: Phia officially launches, billing itself as a "fun" and helpful tool to make online shopping more efficient. It promises to act as a digital concierge, aggregating the best prices and discount codes across the web.
- January 2026: The company secures a massive $35 million funding round. The list of investors is a "who’s who" of influence, including Kim Kardashian and Hailey Bieber. The investment was designed to accelerate the company’s growth and expand its user base.
- Spring 2026: Independent consultants and rival shopping apps begin to notice anomalies in their affiliate tracking data. Competitors report losing conversion credit on sales where their links were the primary driver.
- July 9, 2026: Bloomberg publishes its investigation, providing documented evidence that Phia was injecting its own referral codes into user sessions that were already linked to other affiliate sources.
- July 10, 2026: In the wake of the report, Impact.com confirms the suspension of Phia from its platform, citing violations of industry standards and partner agreements.
Supporting Data: The Anatomy of the Override
The technical evidence provided by consultants and competitors paints a clear picture of a system designed to prioritize commission capture over user experience.
When a browser extension is installed, it often operates with significant permissions. In the case of Phia, it functioned similarly to Google Flights, monitoring active tabs to provide "value-added" services like price comparisons. However, the Bloomberg analysis revealed that the extension was programmed to execute a "last-click" win scenario.
By launching a background tab during the checkout phase, Phia was essentially "tricking" the retailer’s tracking system into believing the customer had arrived via a Phia-generated link. For retailers, this is a significant issue because it creates a "commission leakage" problem. They are effectively paying twice for the same sale—once to the legitimate referrer (like an editorial review site) and a second time to the company that "stuffed" the cookie.
This practice is strictly prohibited by almost all reputable affiliate networks. It is considered a form of digital fraud, as it artificially inflates the value of the platform while providing no genuine marketing benefit to the retailer.
Official Responses and the Path to "Resolution"
Following the publication of the report, Phia’s response has been characteristically brief. A spokesperson for the company told Bloomberg that they were aware of the issue and had implemented "all necessary changes" to ensure the extension no longer overrides existing affiliate links.
A subsequent audit by Bloomberg confirmed that, as of July 10, the specific technical behavior identified in the report appears to have been disabled.
However, the industry remains skeptical. "Fixing the code is the bare minimum," said one affiliate marketing consultant who spoke on condition of anonymity. "The real question is: How did this code pass the internal review process in the first place? Was this an oversight, or was it a core feature of their growth strategy?"
Phia has yet to issue a formal apology or provide a detailed public explanation to its investors or the wider tech community. Requests for comment from TechCrunch regarding the suspension from Impact.com and potential legal exposure remain unanswered.
Broader Implications: A Pattern of Industry Scrutiny
Phia is not the first company to face these accusations, and it likely won’t be the last. The most prominent case remains that of Honey, the shopping tool acquired by PayPal for $4 billion. Honey faced a massive class-action lawsuit alleging that its browser extension engaged in similar practices, siphoning credit from other publishers and retailers.
The controversy surrounding Phia highlights a darker side of the "coupon and deal" app gold rush. As startups burn through venture capital to acquire users, the pressure to demonstrate "traction" and revenue can lead to the adoption of aggressive—and sometimes unethical—technical tactics.
1. The Erosion of Trust
The affiliate ecosystem relies on transparency. When a high-profile startup like Phia, backed by the prestige of the Gates family and celebrity investors, is found to be cutting corners, it damages the reputation of the entire ecosystem. Retailers may become more stringent with their affiliate partnerships, potentially hurting legitimate creators and publishers who rely on these commissions to sustain their businesses.
2. Regulatory and Legal Risks
If a company is found to be systematically overriding affiliate codes, they risk more than just being kicked off an affiliate network. They could face lawsuits from retailers for fraud, or even investigations by consumer protection agencies for deceptive trade practices. The Honey case serves as a warning that these issues can persist for years, leading to costly litigation and brand degradation.
3. The Future of Browser Extensions
This incident may push browser vendors like Google and Apple to introduce more stringent oversight for extensions. Currently, extensions enjoy significant access to user browser data. If companies continue to use these privileges to manipulate e-commerce tracking, we may see a future where browser permissions are significantly curtailed, impacting the functionality of legitimate tools.
Conclusion: A Turning Point for Phia
Phia stands at a critical juncture. Having raised over $40 million, the company has the resources to pivot and adopt more sustainable, transparent business practices. However, the suspension from Impact.com is a major roadblock. Without access to the largest affiliate networks, the app’s ability to generate revenue—and therefore its value proposition to retailers—is severely diminished.
For Phoebe Gates and Sophia Kianni, the challenge now is to rebuild trust. In the world of venture-backed startups, money can buy growth, but it cannot buy back a reputation once it has been tarnished by accusations of bad-faith technical engineering. Whether Phia can recover from this scandal will depend on its transparency, its willingness to overhaul its technical architecture, and its ability to prove that its value to the consumer is genuine, rather than a byproduct of redirected commissions.
As the tech community waits for further details, the case serves as a reminder: in the digital economy, the shortest path to revenue is often the most dangerous one to take.
Lina Irawan
