How are well-informed people formed in life?

Well-informed people pay more attention to this news first, and often learn about some new social systems, new ideas and news containing new things, including facts, through Baidu. Moreover, he is good at catching hot spots from news. At the same time, he has his own contacts and social circles. Maybe he has more contact with these policy-oriented people, so he can master the latest information and some policies, so he can say anything and calculate how to go in the future.