TODAY’S MAZE
Happy Friday! OpenAI is pushing its advertising footprint well beyond the U.S. today, bringing custom audience tools to five new international markets.
This move positions the platform as a key destination for performance-focused brands, potentially altering how search and discovery operate globally. As native AI placements gain traction, will these tools quickly become a mandatory channel for international growth?
In today’s MarketMaze:
OpenAI expands global ads
YouTube enables TV checkout
Amazon scraps API fees
Americas ecommerce market concentration
Asian marketplace momentum grows
LET’S ENTER THE MAZE!
- Artur Stańczuk, MarketMaze Founder
MAZE STORY

The Maze: OpenAI is aggressively scaling its ChatGPT ad pilot beyond U.S. borders, officially launching in the UK, Japan, South Korea, Brazil, and Mexico. This expansion introduces sophisticated custom audience targeting to help brands reach users with greater precision.
The company targets five major international markets to diversify its revenue streams through native advertising placements.
Brands can now utilize custom audience targeting features to reach specific user demographics within the ChatGPT interface.
This rollout signals a pivotal shift in how OpenAI monetizes its AI model while providing marketers with new inventory in high-traffic regions.
Why it matters: Global ad expansion turns ChatGPT into a primary destination for performance marketers, not just a productivity tool. Brands that master these audience tools now will capture early-mover advantages in the emerging AI search economy.
Which advertiser group is most likely to benefit first from OpenAI expanding ChatGPT ads to the UK, Japan, South Korea, Brazil, and Mexico?
- Global enterprises [large brands with existing teams across all five markets]
- Regional marketplaces [platforms selling across several countries, but not globally]
- Price-led sellers [retailers using sharp prices and promotions to win demand]
- Brand-led sellers [premium brands using ChatGPT ads for discovery and trust]
- Agency-run advertisers [brands relying on marketing agencies to test new channels]
☝️ Vote to see results!
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MAZE STORY

The Maze: YouTube is converting the living room into a direct-response engine, enabling seamless purchases directly from connected TV screens. The platform now embeds two-click Google Pay integration to shorten the path from discovery to transaction.
Streamlined checkout flows eliminate the need for viewers to switch devices, driving higher conversion rates for brands on connected TVs.
New capabilities incorporate third-party retail data to serve more relevant product ads, effectively turning passive entertainment into high-intent shopping.
This integration signals a major shift in how marketplaces leverage long-form video inventory to capture consumer demand at the moment of maximum engagement.
Why it matters: Converting CTV viewers into active shoppers solves the 'second screen' friction that has long plagued television advertising. Brands that master this frictionless checkout will likely capture significant market share as TV becomes a primary conversion channel.
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MAZE STORY

The Maze: Amazon officially scrapped its planned usage and annual fees for the Selling Partner API. The decision follows intense resistance from the developer community who claimed the costs threatened small-scale innovation.
Developers previously feared that the new financial hurdles would limit the functionality of third-party tools used by sellers.
This reversal keeps the ecosystem open for software partners to build integrations that help brands manage their operations efficiently.
Amazon prioritized maintaining strong relationships with the developer network to ensure a seamless flow of data across its massive marketplace.
Why it matters: Prioritizing platform health over immediate fee revenue signals that Amazon understands its long-term growth depends on a thriving, well-supported third-party software ecosystem.
DATA TREASURE

The Maze: North and South America still run on giant pipes. Amazon and Walmart are in a different weight class, while the rest of the field, from Mercado Libre to Temu, is fighting for speed, attention, and the right to become the next default shopping habit.
In 2025, Amazon reached $488.0bn GMV in the Americas and Walmart hit $197.4bn, which means the top two alone tower over everyone else and still define how digital retail works in the region.
Mercado Libre ranked third at $53.2bn, then came Shein at $35.2bn, eBay at $34.4bn, and Temu at $31.7bn, showing how fast cross border and app led commerce is climbing the table.
The gap after rank two is huge: Apple at $28.5bn, AliExpress at $28.4bn, Shopee at $27.4bn, and Home Depot at $25.6bn all sit far below the two incumbents that still own trust and traffic.
Why it matters: The Americas are not short on competition. They are short on true peers to Amazon and Walmart, which means challengers need a new model, not just bigger ad spend, to crack ecommerce’s first division.
DATA TREASURE

The Maze: Amazon is still the biggest marketplace on earth, but the energy in global commerce is moving east. Six of the top seven non Amazon marketplaces are Asian, and several are growing fast enough to make the old Western playbook look slow and expensive.
In 2025, Amazon led at $845bn GMV, but Pinduoduo was already at $817bn, TikTok Shop at $648bn, Taobao at $567bn, Tmall at $558bn, and JD.com at $517bn, which is not a gap, it is a pack.
Growth is where the real story sits: from 2020 to 2025, TikTok Shop posted 56.7% CAGR, Kuaishou 31.4%, Shopee 28.9%, and Pinduoduo 27.6%, while Amazon grew a far steadier 8.8%.
Not every giant is moving forward: Taobao slipped 1.8% CAGR and eBay fell 2.9%, which shows scale alone is not enough when discovery, entertainment, and price are rewriting shopper behavior.
Why it matters: Ecommerce is no longer just search plus checkout. The winners are blending shopping with content, habit, and low friction discovery, and that is where many Asian platforms now look years ahead.
BRIEFING
🏬 Everything else in Ecommerce & Big Tech

🇨🇳 Alibaba is accelerating its AI infrastructure investment past the $55B mark, focusing on cloud-computing capacity to drive long-term platform growth.
🇨🇳 JD.com defied market expectations with strong Q1 revenue results, signaling a resilient consumer appetite despite broader economic headwinds in China.
🇬🇧 Burberry reports double-digit growth in its premium accessory category, fueled by the rising popularity of its new 'Cotswolds' tote bag among affluent US shoppers.
🤖 OpenAI introduced custom audience targeting for its ad platform, enabling brands to leverage hashed customer data for precision marketing efforts.
💻 OpenAI launched a new mobile coding assistant that allows developers to manage and deploy AI agents without needing a dedicated laptop environment.
🚚 FedEx expanded its strategic collaboration with ServiceNow, aiming to enhance real-time supplier management and overall supply chain data visibility.
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