Guerilla testing, also known as guerrilla usability testing, is a form of user research that involves conducting quick and informal tests with a small group of participants in unconventional settings. This method is often used in the early stages of product development to gather valuable feedback and identify potential issues or improvements. Unlike traditional user testing, guerilla testing is low-cost, time-efficient, and can be done anywhere, making it a popular choice for startups and small businesses. The term “guerilla” refers to the unconventional and resourceful approach of this testing method, which often involves using creative techniques and tools to gather insights from real users. Overall, guerilla testing is a valuable tool for companies looking to improve their products and services through direct user feedback.