Decoding the Post-Event Review (REX) in Live Shopping
The post-event review — commonly known in French as the REX (Retour d'Expérience) — is a concept that has gained real traction in the business world. It is a systematic process of collecting and analyzing the experiences, successes, and failures of a project or initiative. The ultimate goal is to draw valuable lessons from each session and apply them to future projects, continuously improving performance and results.
The REX is not simply a retrospective or a debrief. It offers a far deeper and more holistic approach, examining every aspect of the project — from technical details to human dynamics. It's about understanding what worked, what didn't, why, and how those insights can be used to improve future sessions. It is a powerful tool for growth and continuous improvement.

A REX should be conducted after every session to drive constant improvement and improve your e-commerce KPIs.
The key to unlocking the value of the REX
The REX is used across many fields — from engineering and healthcare to education and services. But it takes on a particular significance in the context of live shopping. In this fast-growing space, where online commerce meets live streaming and social media, the REX is a valuable tool for continuously improving the customer experience and boosting sales.
Live shopping is a constantly evolving field, with new technologies, new platforms, and new consumer behaviors emerging all the time. In this context, the REX can be used to understand what works and what doesn't, to test new ideas and innovations, and to adapt quickly to new trends and customer expectations. At Caast, for example, REX sessions are conducted with CSM teams to ensure projects run smoothly for our clients.
The hidden value of the REX for live shopping
The REX delivers many benefits for live shopping sessions. First, it helps identify the strengths and weaknesses of each session. Which products sell best? At what times of day is the audience largest? What type of content is most engaging for customers? All of this information can be used to optimize future sessions.
The REX also helps identify problems and challenges to overcome. If customers are struggling to use the live shopping platform, or if they're complaining about product quality, that feedback can be used to make improvements and resolve issues. Finally, the REX can be used to gather customer feedback and suggestions — a valuable source of ideas and innovation.
Implementing the REX in the world of live shopping
The right moment and method for collecting the REX
REX collection can happen at different points, but the most important thing is to do it systematically and consistently. This can be done after each live shopping session, or at the end of a defined period — a week or a month. The key is not to wait too long, as impressions and information tend to fade over time.
There are many methods for collecting the REX, but the most common is a survey or questionnaire. This can be done online, by email, or via a mobile app. The survey should be well-designed — with clear, relevant questions — and easy to complete. It's also important to encourage customers to share their feedback, for example by offering rewards or incentives.
Lessons from the field: Successful REX in live shopping
There are many success stories of the REX being used effectively in live shopping. Some brands have used it to identify their best-selling products and feature them more prominently in future sessions. Others have used it to refine their presentation and sales techniques based on customer reactions and comments. The Caast platform provides access to detailed session statistics, making it easy to pinpoint the most engaging moments of any live shopping event.
Others have used the REX to test new ideas and innovations. For example, one cosmetics brand launched a new product live during a session, then used the REX to gather customer feedback via chat and make adjustments. The results were very positive, with increased customer engagement and sales.
Pitfalls to avoid when capturing and analyzing the REX
One of the most common pitfalls in REX collection is confirmation bias — seeking and interpreting information in a way that confirms your own beliefs or assumptions. It's important to avoid this by adopting an open, curious mindset focused on understanding rather than judging.
Another pitfall is focusing exclusively on the negatives and problems. While this information is important, it's equally important to acknowledge and celebrate successes. Doing so reinforces strengths and creates a positive, motivating atmosphere.

Continuously understanding and improving your live shopping sessions through the REX.
Perfecting live shopping sessions through REX insights
Effectively decoding the REX
Analyzing the REX is a critical step in the process. It involves examining the information collected, identifying trends and patterns, and drawing conclusions. This analysis can be qualitative — based on customer comments and opinions — or quantitative, using statistics and hard data.
It's important to take the necessary time for this analysis and avoid jumping to conclusions. It can be helpful to bring in experts or consultants, or to use data analysis tools. The goal is to extract clear, actionable lessons that can be used to improve future live shopping sessions.
Strategies for turning REX insights into gold for future live sessions
Once the lessons from the REX have been identified, it's time to put them into practice. This might mean changing the way live shopping sessions are organized — adjusting the schedule, format, or content. It might also mean changing the products or services on offer, such as adding new products or improving quality.
It's important to closely monitor the impact of these changes, and to continue collecting REX data to assess their effectiveness. This is an ongoing process of learning and improvement, one that can help achieve ever-higher levels of performance and customer satisfaction.
The lasting influence of the REX on live shopping success
The REX is not just a tool for improving short-term performance. It also has a long-term impact on the success of live shopping sessions. By constantly learning from experience and adapting to customer needs and expectations, brands can build a relationship of trust and loyalty with their customers. This can lead to increased sales, a stronger brand reputation, and sustainable growth.
In conclusion, the REX is a powerful tool for live shopping. It helps you understand what works and what doesn't, identify opportunities for improvement, and test new ideas and innovations. It's a customer-centric approach that can help improve the customer experience, boost sales, and build long-term relationships with your audience.
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