Choose a straightforward topic or notion that is simple to describe and that the interviewer will comprehend. Making the response enjoyable will aid in engaging the interviewer. Keep your response cheerful. Remember that the delivery and demonstration of your communication and teaching abilities are more essential than the topic.  Choose a web technology and describe it, as well as the reasons (such as technical and community support) why it could outperform other web technologies.   This question attempts to measure your enthusiasm for web development and your interest in upcoming technologies, as well as your strategic vision for the future of online development.