Want to know if you're addicted? Four criteria is provided:
1. Excessive use, often associated with a loss of sense of time or a neglect of basic drives
2. Withdrawal, including feelings of anger, tension, and/or depression when the computer is inaccessible
3. Tolerance, including the need for better computer equipment, more software, or more hours of use
4. Negative repercussions, including arguments, lying, poor achievement, social isolation, and fatigue http://ajp.psychiatryonline.org/cgi/content/f...