Do YOU have 'Offline Stress Disorder?'

You hear a lot about Internet addiction. Camps and rehab clinics have sprung up all over China, and even in the United States, to help cure victims. I've noticed a related malady -- it has no established name; let's call it Offline Stress Disorder -- which is a mental or emotional state of anxiety caused by not using the Internet, or the knowledge that an Internet connection is not available. Do YOU have it?