Today's headline on the '21st Century Business Herald' public account is: 'Tech stocks in the U.S. market tumble, NVIDIA drops over 3%, more than 140,000 crypto traders liquidated, USD plunges sharply' When domestic netizens see what's happening abroad, the headlines are usually in this format. Most people are left with the impression that these people are being harvested every day. The gap between appearance and reality is something we all experience. The information cocoon is worth paying attention to.