An 18-year-old boy in Shanghai, who created a simple app using artificial intelligence (AI) to remind his grandfather to take his medication on time, has gained significant attention on social media and received widespread acclaim online.Ma Kai, a recent secondary school graduate, took the national university entrance exam, known as the gaokao, in June.His story came to light when he was interviewed by the Shanghai Morning Post as an ordinary young visitor at the World Artificial Intelligence...