and the lots of systems which promote users participation are based. For example, Wikipedia, Amazon, ebay, and intellectual knowledge search service at never let us to share our knowledge and information.
On the other hand, people who does not educated information ethics, information can be abused and have malfunctions like non-professionalism and possibility of luring for the wrong purposes.
as well as restrictions on government use of power.
The APEC represents more than 60 percent of world’s internet users, also decided in 2002(reaffirmed in 2004) to adopt cyber-security regulatory measures, which follow the council of Europe cybercrime convention. The African union, in particular its African commission on Human and Peoples’ Rights adopted in 2002 a declaration of principles o
According to the report of WHO (World Health Organization) in year of 1999, the world’s smoking population was counted as more than a billion, and yearly four million of them die because of smoking. WHO estimated that more than ten million populations will die because of smoking by the year of 2030. In the year of 1997, among people who were diagnosed with lung cancer, eighty-five percent of pe
as a large number of information. Users prefer credible information source when the quantity of information increases.
Furthermore, Facebook provides easy and comfortable service that expands age range of users. Its service is based on dialogical communication. On the other hand, existing SNS have some problems which cannot easily acceptable for elder people because of inappropriate sources li
as a concert, dance, or drama, including the pleasure received from viewing comedy or magic
Recreation consists of activities or experiences carried on within leisure tie, either for personal satisfaction or creative enrichment. The recreation industry developed as recreation activities for adults expanded and because more and more people seek a break from a cycle of boredom and fatigue.
2. Th