When a normally functioning immune system attacks a non self molecule, the system has the ability to "remember" the specifics of the foreign body, and upon subsequent encounters with the same species of molecules, it reacts accordingly.
On May 5th, 1997, the European edition of Business Tech Magazine led with Hoffmans cover story "Internet Communities: How theyre Shaping ElectronicCommerce". This cover story highlights the extent to which the term virtual community has become almost synonymous with various forms of group-CMCs(computer mediated communication), including email-list forums, chat-systems such as IRC, web-based discussion areas and UseNet news-groups. There was no debate in the Business Tech Magazine article as to whether the group-CMC discussions are really 'communities', rather how community as opposed to content can be used to encourage people to return to a particular part of cyberspace for commercial gain. In a similar vein, Simpson and Armstrong in "Internet Gain" argue that ignoring virtual communities would be a great loss of a marketing tool for businesses. They define virtual communities as computer mediated space where there is an integration of content and communication with an emphasis on member-generated content.Not all virtual community commentators agree with the Spartan position taken by Hoffman. Rheingold, one of the prime popularizes of the term virtual community, provides us with a more emotive definition in his book The Virtual Community: Homesteading on the Electronic Frontier. According to Rheingold, "virtual communities are social aggregations that emerge from the Net when enough people carry on those public discussions long enough, with sufficient human feeling, to form webs of personal relationships in cyberspace". Rheingold's definition is extremely popular and has been quoted in many discussions about virtual communities. As discussed below, for social scientists, particularly sociologists, Rheingold's definition raises many issues, especially concerning the notion of community. This is because Rheingold argues via a variety of analogies from the real world such as homesteading that virtual communities are indeed new forms of "community". In fact, Rheingold implies that virtual communities are actually "a kind of ultimate flowering of community". Moreover, Rheingold maintains that whenever computer mediated communications technology becomes available; people inevitably create communities with it. Rheingold can thus be labeled as a technological determinist as he holds that there is a predictable relationship between technology and people's behavior.The debate over the validity of Rheingold's position has raised doubts about the existence of virtual communities and the appropriate use of the term. Weinreich claims that the idea of virtual communities must be wrong because community is a collective of kinship networks that share a common geographic region, a common history, and a shared value system, usually rooted in a common religion. In other words, Weinreich rejects the existence of virtual communities because group-CMC discussions cannot possibly meet his definition. In Weinreich's view, anyone with even a basic knowledge of sociology understands that information exchange in no way constitutes a community.The primary purpose of the passage is to
Organic farmers are looking for non-chemical methods to rid their crops of pests.Giving crops a slight electric shock has no ill effect on crops but rids them of caterpillars. This method should be employed by organic farmers all over the country.Which of the following, if true, most strongly supports the view that it would not be advisable to try to eradicate agricultural pests with the method mentioned above?
Common stocks, which are shares of ownership in a corporation, is the most direct way to participate in the fortunes of a company.
On May 5th, 1997, the European edition of Business Tech Magazine led with Hoffmans cover story "Internet Communities: How theyre Shaping ElectronicCommerce". This cover story highlights the extent to which the term virtual community has become almost synonymous with various forms of group-CMCs(computer mediated communication), including email-list forums, chat-systems such as IRC, web-based discussion areas and UseNet news-groups. There was no debate in the Business Tech Magazine article as to whether the group-CMC discussions are really 'communities', rather how community as opposed to content can be used to encourage people to return to a particular part of cyberspace for commercial gain. In a similar vein, Simpson and Armstrong in "Internet Gain" argue that ignoring virtual communities would be a great loss of a marketing tool for businesses. They define virtual communities as computer mediated space where there is an integration of content and communication with an emphasis on member-generated content.Not all virtual community commentators agree with the Spartan position taken by Hoffman. Rheingold, one of the prime popularizes of the term virtual community, provides us with a more emotive definition in his book The Virtual Community: Homesteading on the Electronic Frontier. According to Rheingold, "virtual communities are social aggregations that emerge from the Net when enough people carry on those public discussions long enough, with sufficient human feeling, to form webs of personal relationships in cyberspace". Rheingold's definition is extremely popular and has been quoted in many discussions about virtual communities. As discussed below, for social scientists, particularly sociologists, Rheingold's definition raises many issues, especially concerning the notion of community. This is because Rheingold argues via a variety of analogies from the real world such as homesteading that virtual communities are indeed new forms of "community". In fact, Rheingold implies that virtual communities are actually "a kind of ultimate flowering of community". Moreover, Rheingold maintains that whenever computer mediated communications technology becomes available; people inevitably create communities with it. Rheingold can thus be labeled as a technological determinist as he holds that there is a predictable relationship between technology and people's behavior.The debate over the validity of Rheingold's position has raised doubts about the existence of virtual communities and the appropriate use of the term. Weinreich claims that the idea of virtual communities must be wrong because community is a collective of kinship networks that share a common geographic region, a common history, and a shared value system, usually rooted in a common religion. In other words, Weinreich rejects the existence of virtual communities because group-CMC discussions cannot possibly meet his definition. In Weinreich's view, anyone with even a basic knowledge of sociology understands that information exchange in no way constitutes a community.According to Simpson and Armstrong, virtual communities
Unemployment in Winston County has risen only 4% since I took office. Under my predecessor, unemployment rose 14%. Clearly, my economic policies are far more effective.Which of the following must be true in order for this argument to be valid?
