Baidu, one of China’s artificial intelligence (AI) champions, said it is using the technology to upgrade and make the most significant changes to the company’s core internet search service in a decade. Beijing-based Baidu has now enlarged the mobile app’s search bar and turned it into a “smart box” that supports long text input and handles more tasks than simple text-based queries and information retrieval, according to the company’s statement on Wednesday. This search box is capable of handling...