Figure 1.
A taxonomy of Internet Use Disorders. In short, IUD can be split into a predominantly mobile and a predominantly non-mobile form, whereas both respective areas need to be additionally characterized by the kind of content (overused)
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.