Email, forum, chat tools are social software, just because of the blogging, let everyone pay more attention to this concept, of course, the current second-generation dating network is also the category of social software [first generation should also be considered, huh, huh . It is just a second generation more significant social. ]
The circle is the original group, or the club, network community, club, Chinese translation as a circle, but also "objects are gathered, people with population". The circle reflects that people are a group of animals, and the social circles of the real society are virtualized, bringing them online, thus further strengthening the interaction between people and people in the circle through the power of the Internet, thus strengthening and developing this circle. Many Internet experts see as a hotspoint [including theoretical research and how to get it in this gold].
http://www.donews.net/lealting/archive/2005/04/23/348071.aspx
