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
Internet users often search for required materials and information they need without knowing the web site. The probability of success is very low, and ometimes they can't get the expected results even after spending  time.
 Experts believe that there is indeed a kind of Internet Mania