Controversial technology refers to innovations that spark debate due to their ethical, social, or environmental implications. Examples include genetic engineering, artificial intelligence, and surveillance systems. These technologies can offer significant benefits, such as improved healthcare or enhanced security, but they also raise concerns about privacy, inequality, and potential misuse. Public opinion on controversial technology often varies, with some people advocating for its development while others call for regulation or outright bans. The discussions surrounding these technologies highlight the need for careful consideration of their impacts on society and the importance of balancing innovation with ethical responsibility.