"How do you know if you're already addicted or rapidly tumbling toward trouble? The Internet Addiction Test is the first validated and reliable measure of addictive use of the Internet. [...] Developed by Dr. Kimberly Young, the IAT is a 20-item questionnaire that measures mild, moderate, and severe levels of Internet Addiction."
Comments
A measly 41 making me in line with the general population.
I scored fairly low too, I think I failed by not being angry when offline. Also I'm so rarely offline that those feelings never have time to surface...