It was the time that I first confronted Q.R. (Quick Response) code when I was in high school. I usually picked a free daily newspaper while I was on the way to school in Korea, and it’s the time I saw an AD with the barcode. It was weird looking, but stimulating my curiosity. I did not know what it means at that time, but I could find that out later when I got my first camera cell phone holding in my hands. I could simply scan the code by the camera on my cell phone, and it connected me to an website. However, I simply lost my curiosity and ignored it after I found how to use it, because the Internet connection was too slow to hold my attention. After then, the Q.R. code suddenly disappeared from my sight, so I totally forgot about it for more than 5 years. Read the rest of this entry »