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But at what point are you considered a bona fide Internet addict? To find out, I called up a psychologist and a fancy rehab center who specialize in this type of thing. I must admit there was a part of me that went into reporting this story with a smirk. Internet addiction? Aren't we all Internet addicts to some extent? And then I talked to Coleen Moore of the Illinois Institute of Addiction Recovery, who told me that 20% of all addicts who check into the rehab center are there for Internet addiction. Some of them use drugs along with the Internet so they can stay awake and online longer, and others get urinary tract infections

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http://www.boingboing.net/2009/11/09/advisor-am-i-an-inte.html

I had a urinary tract infection too. It turned out to be Chlamydia so I don't need rehab afterall.

No urinary tract infections for me, but I have issues.

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. South Korea boasts of being the most wired country in the world, with 90% of homes partaking of inexpensive, fast internet connections. Not coincidentally, Korean experts have said that up to 30% of their population under 18, or about 2.5 million people, are at risk for internet addiction. From the New York Times:

They spend at least two hours a day online, usually playing games or chatting. Of those, up to a quarter million probably show signs of actual addiction, like an inability to stop themselves from using computers, rising levels of tolerance that drive them to seek ever longer sessions online, and withdrawal symptoms like anger and craving when prevented from logging on. It has become a national issue here in recent years, as users started dropping dead from exhaustion after playing 

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http://www.mentalfloss.com/blogs/archives/42942

I feel like the bar for "addict" is too low.