The customer segment known as Blank______ enjoy testing product prototypes and providing voluntary feedback that companies use to perfect their products.

The customer segment you are referring to is typically known as "Beta Testers."

Beta testers are individuals who are willing to try out new products or prototypes before they are fully released to the general public. These testers play a crucial role in the product development process as they provide valuable feedback on the product's usability, functionality, and overall user experience. Their insights can help companies identify potential issues, make necessary improvements, and refine the product to better meet the needs of the target audience. By engaging with this segment, companies can enhance their offerings, increase customer satisfaction, and ultimately boost their market success. Beta testing is a vital step in any product launch strategy as it allows for real-world testing and refinement based on actual user interactions.