).
  “I hope to learn to manage my time spent on SNS, so I can have more a efficient semester,” said Lee So-jung (Sookmyung Womens’ University, 3). “I am thinking of finding a new hobby instead.”
Schools retaining medical colleges include Gachon University of Medicine and Science, Kangwon National University, Konkuk University, Dongguk University and Jeju National University.
  The introduction of smart phones makes accessing social networking services (SNS) easier than ever. Through SNS, people contact with many people, exchange thoughts, and send up-to-the-minute reactions without time or space limits.
  According to Social Twist, an American company that helps clients advertise through SNS, Facebook is the most preferred SNS, with more than 600 million users world-wide. My Space and Twitter follow with 100 million users each.
  “Twitter makes it possible for me to be in contact with renowned people,” said Hong Jin (Korean, 2). “By receiving replies, it feels as if I am closer to them. Also, companies hold many events through Twitter. It is fun to be part of it.”
  Semicast, a French research institution, found that the volume of Twitter messages in Asia has passed North America’s. Korean ranked as the seventh-most-used language for Twitter in the world and third among Asian countries.
  But SNS has its downside. Because responses are in real time, users have to constantly check messages if they want to stay current with the latest updates, leading to what some call “SNS addiction.”
  “I need to check my cell phone every minute since I get a ‘push,’ or alarm, on every update in my friends’ accounts,” Joo Sung-eun (Sookmyung Women’s University, 3) said.
  SNS overuse also infringes on people’s privacy, weakens concentration, and shortens the use of language, according to a late-2010 article in the British medical journal, Lancet. The article was written by Gennaro D’Amato, an Italian doctor.
  Doctor D’Amato also said SNS addiction can cause psychological and physical illnesses, such as asthma.
These problems sound familiar to Kwon Da-ye (International Studies, 3). “Based on my friends in Twitter, we are aware that SNS causes a sense of alienation, invasion of privacy, less conversation, etc.,” Kwon said. “It is true that Twitter and other SNS are addictive and affect students in times such as exam weeks.”
  To provide self-evaluation opportunities for SNS users and to raise the issue of SNS centered life styles, An Se-hyun, a university student who could not give his personal information to Ewha Voice due to military service, made an online test for Twitter addiction last August (
http://ansehyun.com/tat/v100/) as an entertainment for SNS users.
The test consists of 48 SNS-usage-related questions such as whether one understands the Twitter program fully or not, how much the person depends on Twitter in everyday life, and the level of Twitter addiction.
  “The test was made to provide entertainment for those who use Twitter,” An said on his Web site. “However, it also sends a message to Twitter users who have changed their life patterns due to Twitter.”
After receiving lots of support for his Web site from Twitter users, An also created a Twitter addiction test for smart phone users (
http://ansehyun.com/tat/forsmartphoneusers/).
  “I hope to learn to manage my time spent on SNS, so I can have more a efficient semester,” said Lee So-jung (Sookmyung Womens’ University, 3). “I am thinking of finding a new hobby instead.”
Schools retaining medical colleges include Gachon University of Medicine and Science, Kangwon National University, Konkuk University, Dongguk University and Jeju National University.

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