Two years ago, Brazilian e-commerce operated under a logic where more traffic meant more sales . Performance campaigns, funnel optimization, and scalability of paid media were the pillars. Today, this paradigm has been completely overturned. What has changed in e-commerce is not just a technological evolution, but a structural transformation in how brands discover, acquire, and retain customers.
Between 2024 and 2026, the Brazilian market grew from R$204,3 billion to a projected R$258 billion , a movement sustained not by traffic volume, but by technological maturity, data integration, and profound changes in consumer behavior. This transformation redefines the strategic priorities of any retailer seeking sustainable growth.
IN SUMMARY: WHAT YOU NEED TO KNOW ABOUT WHAT HAS CHANGED IN E-COMMERCE
- AI has become a requirement: AI assistants now guide 58% of product searches in Brazil, fundamentally altering how brands need to structure data and content;
- Social commerce It has established itself as the main channel: 67% of Brazilians have already bought something they saw on social media., transforming platforms into environments for simultaneous search, entertainment, and conversion;
- Retention surpassed acquisition as a priority: with CAC growing 42% on averageCompanies are now investing in post-purchase journeys, communities, and personalization instead of just performance media.
- Traditional search has been redefined: The behavior changed from keyword searches to prompts descriptive, therefore requiring a new AI visibility strategy (GEO);
- Communities have become the new funnel: Brands that build direct relationships reduce their dependence on paid media and sustainably increase lifetime value.
AI has redefined product discovery.
Until 2024, discovering a product in e-commerce followed predictable patterns: keyword search, SEO result, click, conversion. However, this linear journey has disappeared. Today, 58% of Brazilian consumers use generative AI to search for information about products or services . Furthermore, in the United States, 64% say they are willing to buy products suggested by AI.
This shift has forced retailers to rethink how they structure catalog data, product descriptions, and content. After all, it's not enough to be on Google; you need to be in the results of ChatGPT, Gemini, and Perplexity . Therefore, AI (GEO) visibility has gone from being a trend to an operational requirement.
SOCIAL COMMERCEFrom Discovery to Conversion into a Single Place
Two years ago, social media platforms were channels for discovery. Today , however, they are complete shopping ecosystems. TikTok has over 4,2 million active shoppers in Brazil , and Instagram remains a primary source for product discovery. However, the journey has fundamentally changed.
People no longer leave social media to buy things . Instead, they see the product in their feed, receive social confirmation via UGC or a content creator, and complete the purchase in the app, all in a single environment. Traditional campaigns continue to work, but they leave room for the influence of micro-creators and authentic content that generates more engagement than direct ads.
In practice, brands that invest in user-generated content (UGC) and partnerships with micro-creators can reduce CAC by up to 35% compared to traditional paid media.
Retention has become a strategic priority.
Customer acquisition costs have increased by 42% in the last two years. Simultaneously, companies have discovered that investing in retention generates a return 5 to 25 times greater than acquisition. As a result, this reality has reversed priorities.
Post-purchase journeys, personalized experiences, communities, and the intelligent use of AI have become central investments. In this sense, the more personal and relevant the communication, the greater the customer's lifetime value . Companies that integrate media, CRM, and content into a single strategy can increase lifetime value by up to 40%.
Unlike in 2024, when the focus was on "scaling traffic at any cost," today the question is: " How do we get this customer to buy again? "
Instability forced channel diversification.
Between 2024 and 2026, Brazilian retail faced inflation, changes in the supply chain, and a more cautious consumer. This instability forced companies to abandon excessive dependence on a single sales channel.
Therefore, channel diversification, operational automation, and optimization of logistics chains have become essential. Brands that operated only through their own e-commerce or a single marketplace suffered more from performance fluctuations. On the other hand, those that integrated multiple channels (marketplace, own store, social commerce, app) managed to maintain more predictable growth.
CONCLUSION
E-commerce as it was in the last two years is no longer recognizable . From a model based on traffic and quick conversion, it has evolved into an ecosystem of intelligence, retention, and relationship building . Companies that understand this transformation and adapt (structuring data for AI, investing in authentic social commerce , prioritizing retention, and diversifying channels) are the ones that grow sustainably.
This transformation journey is complex and requires more than just tools; it demands an integrated strategy. If your operation is still stuck in the old model, know that the time to adapt is now . Check out other blog articles on e-commerce trends or talk to the e-Plus team of experts to structure a strategy that truly works in the 2026 scenario.
FAQ – What You Need to Know About What Has Changed in E-Commerce
How does AI influence customer retention in e-commerce?
AI allows for the analysis of historical and predictive behavior to anticipate consumer needs. In this way, brands can send personalized offers at the exact moment of repurchase, transforming a one-time transaction into a recurring relationship. Therefore, technology acts as the main driver for increasing lifetime value.
Why has CAC grown so much, and how are brands reacting?
The increase in CAC is due to the saturation of traditional paid media channels and changes in privacy. As a result, leading brands are diversifying their investments into social commerce and their own communities. In this sense, the focus has shifted from simply acquiring traffic to building proprietary and engaged audiences.
What is GEO and why is it important for retail in 2026?
GEO ( Generative Engine Optimization ) is the optimization of content so that it can be cited by generative artificial intelligence. Since consumers now use descriptive prompts instead of just keywords, brands need to structure their data semantically. In this way, they ensure visibility where purchasing decisions are mediated by technology.
How can you integrate multiple channels without losing operational efficiency?
Integration necessarily requires a robust technological infrastructure that unifies inventory, data, and customer service. By using integrated platforms, retailers avoid information silos and ensure a seamless customer experience. Consequently, channel diversification becomes a sustainable growth strategy and less vulnerable to market fluctuations.
