Companies often create Minimum Viable Products (MVPs) to test their products before launch.They use various techniques for testing MVPs, like trick emails, shadow buttons, 404 errors, and coming soon pages.Other techniques include explainer videos, fake landing pages, concierge MVPs, piecemeal MVPs, and Wizard of Oz MVPs.These methods help companies gather feedback, gauge interest, and save time and money before fully developing a product.