The article by Arnab Roy Chowdhury explores various usability testing methods essential for developers and creators to ensure their products meet user needs and expectations before official launch. It emphasizes the significance of usability testing in understanding real user experiences and improving product quality. The article highlights eight key testing methods: moderated usability testing, unmoderated remote usability testing, beta testing, A/B testing, surveys, user persona, and field studies, each offering unique insights into user behavior and preferences. These methods enable developers to gather critical feedback and make informed decisions, ultimately enhancing the user experience and increasing the product's success in a competitive market.