【正文】 of others, and which necessitates the use of software. It involves plenty of relationships and interactions within a group of individuals,which often plays a fundamental role as a medium for the spread of information, ideas, and influence among its members. The social work could be a chat room, a discussion forum, or sometimes with rating and ment functions embedded in a eshopping website, such as a social remendation system. Suggested that social work is not necessarily being groups of people or friends from physical world, but also from virtual one. Those relationships could be people to people peering, people to stuff peering, stuff to stuff peering, and many other possibilities. To give some examples, friends can be generated from virtual gaming environment with mon values and interests, from same purchasing behaviorsfor specific products, and may also from same situations like divorces encountering in real life. Forces of applying social working The uping addiction towards social working infrastructure from Eenterprises is driven by economic and technological forces emerging these days. Forces of applying social working could be changing realities of customer behavior, decreasing sales, and dropping advertisement effectiveness and efficiency. To be specific, it can be classified as followed. Firstly, big volume of information provides customers acquaintance with diverse options including price, attribute,and possible discount. This socalled informedness make customers more proactive than ever before so that they could adjust their needs and promises with various choices without confined by a small number of sellers. The available information indicates that informedness alters customers shopping behavior even for purchases that are made in traditional physical venues. Secondly, paid messages and advertisements are loosing their attractions. Having more available information and plenty of choices for customer makes a great challenge to sellers as a simple advertising campaign can not work ever as effective as before. From several analysts, it has been testified that people are loosing their traditional advertisement reading behavior and also trust towards paid messages. Last but not least, the fast development of technology, especially the prevailing of Inter and its implications drive panies to change, and provide them new advertising options at the mean while. Even though some scientists and criticizers still hold negative stands towards social working,it is manifest that social working indeed has some good attributes which may be useful if well utilized. However,it is necessary to understand that the profitability or moizing of traffics generated from social working is still a question mark as this area is pretty new, and needs more exploration. Opportunities and challenges A controversial problem rose when talking about social working is whether it is profitable or not. This is something mentioned later in chapter 3, but here we discuss more on social working opportunities and challenges, in both which Eenterprises should be motivated and prepared. Opportunities Google, New Corp and many other Ebusinesses have shown great interests towards webbased social must be some reasons initiating them. Despite of the solid amount evidence that social works redirected to ebusiness, there are many other interrelated implications. First of all, by finding the reality of decreasing trust from traditional paid messages, the trust from social workingis crucial for advertisement. People are provided a number of high quality and person