There are various types of extreme users, and identifying the right groups to focus on is essential. For example, you might want to look at people who use your product in harsh environments, such as construction workers or farmers. Or, you might want to focus on people who use your product in high-stakes situations, such as surgeons or emergency responders. By identifying the right extreme user groups, you can tailor your design thinking approach to meet their specific needs.

Once you have identified your extreme user groups, it's time to start designing. This involves using the insights you've gathered to create prototypes that meet the needs of these users. It's important to keep in mind that designing for extreme users often requires a different approach than designing for the average user. You might need to consider factors such as durability, ease of use, and safety, and you might need to iterate on your design multiple times to get it right.

By designing for extreme users, you can create products that are not only functional and user-friendly but also innovative and unique. This can help you differentiate your product from others in the market and create a loyal user base. Additionally, designing for extreme users can help you identify and solve problems that you might not have considered otherwise, leading to a better overall user experience.