
Google removed free product carousels from general Search across the EEA, moving a familiar merchant-discovery route behind comparison units. Retailers now need to measure whether replacement paid traffic reaches the same buyer at a very different cost.
News
1️⃣ Google closes Europe’s free shelf
2️⃣ eBay makes postage a pricing call
3️⃣ Infillion buys attribution’s missing link
Insights
4️⃣ TikTok Shop hits retail scale
5️⃣ Vinted still has headroom
6️⃣ TikTok spend runs on habit
LET’S ENTER THE MAZE!
1️⃣ News

The Maze: Google removed free product carousels from general Search in the European Economic Area, changing how retailers reach shoppers without buying an ad.
The unpaid product blocks disappeared on September 17–18 as Google changed European results for the Digital Markets Act.
Google's aggregator units send shoppers to comparison sites first, giving those businesses another chance to influence which retailer wins.
Other free listings remain documented, so merchants should keep product feeds active and check each country's traffic before assuming every free route has closed.
Why it matters: Retailers should track which search visits become orders before buying replacement traffic: a new route to the same shopper can change the cost of a sale.
2️⃣ News

The Maze: eBay raised selected USPS label prices on September 19. The calculator updates automatically; US seller margins and buyer charges do not.
The official notice adds $0.10 to Ground Advantage parcels up to 2 lb in zones 1–8, with larger increases for selected heavier and longer-zone shipments.
eBay's calculator uses service, weight, dimensions and route, so sellers need a parcel-mix check rather than applying the $4.35 maximum to every order.
Passing higher postage to buyers can raise the percentage-based fee base, while absorbing it cuts margin; free, fixed and calculated shipping expose sellers differently.
Why it matters: The platform changed the label cost, not the pricing decision. Sellers must find where the new gap sits: margin, shipping charge or item price.
3️⃣ News

The Maze: Infillion, an ad-tech company, plans to buy location-data firm Foursquare, linking store visits with Catalina purchase records to measure what advertising delivers.

Source: Foursquare. An illustrative comparison of four measured visits with three expected visits shows how visit lift is calculated.
The announced deal adds Foursquare's global places database and coverage of 250 million US devices, but closing and integration timing remain unconfirmed.
Foursquare compares ad-exposed shoppers with modeled expected visits, while Catalina supplies US purchase data: a visit and a sale answer different questions.
Foursquare should keep selling data to outside customers, but Catalina's exclusive access shows why brands must check which tools can use each data set.
Why it matters: For brands, the prize is knowing which ads create extra sales; the test is reliable matching and fair comparisons, not simply a larger collection of customer data.
4️⃣ Insight

The Maze: TikTok Shop reached about 2% of captured U.S. online retail spend in July 2026, turning a social-commerce experiment into a major retail channel.
Share rose from 1.2% a year earlier and effectively zero three years ago.
Holiday dips and the Prime Day shift changed monthly optics, but the underlying climb continued.
Sellers now need channel-level assortment, margin and retention discipline—not another disposable social test.
Why it matters: At 2% of online spend, TikTok Shop is large enough to shape channel strategy. The harder question is whether sellers can convert its reach into durable profit.
5️⃣ Insight

The Maze: Vinted tripled UK panel penetration to 18%, yet Next and Primark still reach 39%. Scale arrived before the shopper funnel was exhausted.
Vinted's penetration rose from 6% to 18% across four annual windows in Consumer Edge cohort data.
Next and Primark both ended at 39%, leaving Vinted a 21-point adoption gap and a clear awareness runway.
Vinted already challenges their sales volume with fewer shoppers, implying an unusually intense core rather than a weak proposition.
Why it matters: Vinted can grow by broadening reach, but mainstream scale will test trust, supply quality and whether new users match the core's purchase intensity.
6️⃣ Insight

The Maze: TikTok Shop's reach is broad, but its economics are concentrated: just 14% of quarterly buyers generated 51% of U.S. spending during Q2 2026.
One- and two-purchase shoppers were half of buyers but only 15% of spend.
At five to nine purchases, spend share overtook buyer share, marking the bridge from trial to habit.
The 20+ group was 5% of buyers and 30% of spend, making loyalty valuable and concentrated.
Why it matters: TikTok Shop has plenty of trial. Sellers will create durable value by converting first orders into repeat cohorts without buying loyalty through permanent subsidies.
🗞️ Quick hits
Everything else you should know
⚖️ Marketplace rules and leadership move
Thailand’s competition regulator penalized Shopee over automatic seller enrollment in shipping and cashback promotions, putting consent and fee design at the center of marketplace monetization without establishing a precise cash fine.
eBay buyer, seller and C2C vice president Blair Ethington left on September 18, leaving a broad product remit in transition while no replacement or strategy change has been announced.
📊 Demand and basket frequency get tested
UK retail volumes rose 0.5% in August as online spending increased 2.5% and online’s share reached 28.8%, a monthly recovery that retailers should not mistake for a durable demand reset.
Picnic plans prepared-meal delivery in Germany for 2027, using its grocery app to pursue more frequent household purchases before its kitchen economics are proven there.
🤖 AI meets capital and competition risk
Anthropic reportedly shifted its expected IPO to November, potentially giving it third-quarter results to show investors while the unconfirmed timetable can still change.
Subscribers sued Anthropic, OpenAI, Google and SpaceXAI over alleged coordinated AI-development limits, adding legal risk to safety coordination without any ruling that the companies colluded.
💳 A payment rail loses a member
Saudi Arabia confirmed it left mBridge in 2025, changing the known membership of the proposed cross-border digital-currency rail without proving a new September exit or a cause.
THAT’S IT FOR TODAY!
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