Since South Korea started allowing the use of personal cell phones in the military earlier this year, the number of soldiers deserting and committing sex crimes has declined.<br />Researchers at the Korea Institute for Defense Analyses... have found desertions are down 11 percent and sex crimes by 32 percent.<br />The study also found that soldiers feel communication has improved greatly.<br />Those who said they had good communication with the outside rose from 66 percent... to 97 percent.<br />Those who said communication within the military was good... rose from 57 to 84 percent.<br />However, the military is thinking about adding more security measures... because there have been side effects, such as gambling and security violations.<br />