According to a sample survey of 10,000 people who frequently surf the Internet, one-third of the people admitted to being irritable and annoyed after surfing the Internet, while 44% of Internet fans under the age of 20 admitted to feeling nervous and irritable after surfing the Internet
Due to the dramatic increase in the number of Internet users and network congestion, if you want to visit a busy website, you sometimes need to wait a long time.
 Experts believe that there is indeed a kind of Internet Mania