Read the following paragraphs and answer the question.

     In China today, Internet addiction has acquired a symbolic function that is about more than health. At Film Forum on August 6th, “Web Junkie, ”by the Israeli filmmakers, takes us inside an Internet-addiction treatment center in Beijing to chronicle the ways in which technology, wealth, and autonomy are altering the ties between young people and the elders who strain to comprehend those changes. 

Which of the following is closest in meaning to the phrase “Web Junkie”?（）