Question: Network economics refers to business economics that benefit from the network effect, examples are website such as which multinational e-commerce corporation, facilitating online consumer-to-consumer and business-to-consumer sales?

full_context: Document 1: Yahoo!: Yahoo! is a web services provider, wholly owned by Verizon Communications through Oath Inc. and headquartered in Sunnyvale, California. The original Yahoo! company was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early Internet era in the 1990s. Marissa Mayer, a former Google executive, served as CEO and President of Yahoo until June 2017.
Document 2: Bamboo network: The "Bamboo network" or the "Chinese Commonwealth" is a term used to conceptualize connections between businesses operated by the Overseas Chinese community in Southeast Asia. It links the Overseas Chinese business community of Southeast Asia, namely Myanmar, Malaysia, Indonesia, Thailand, Vietnam, the Philippines, and Singapore with the economies of Greater China (Mainland China, Hong Kong, Macau, and Taiwan). Ethnic Chinese play an important economic role in Southeast Asia, since they dominate commerce and the business sector and form the economic elite across all the major Southeast Asian countries. Overseas Chinese have dominated much of the economy in Thailand, Malaysia, the Philippines, Cambodia and Indonesia since the 19th century and today exert a powerful economic influence throughout the region. Since the turn of the 21st century, postcolonial Southeast Asia has now become an important pillar of the international Overseas Chinese economy as the bamboo network represents an important symbol manifesting itself as an extended international economic outpost of Mainland China. Overseas Chinese wield tremendous economic clout over their indigenous Southeast Asian majority counterparts and play a critical role in maintaining the regions aggregate economic vitality and prosperity.
Document 3: Southwest Effect: The Southwest Effect is the increase in airline travel originating from a community after service to and from that community is inaugurated by Southwest Airlines or another airline that improves service or lowers cost.
Document 4: EBay: eBay Inc. ( , stylized as ebay) is a multinational e-commerce corporation, facilitating online consumer-to-consumer and business-to-consumer sales. It is headquartered in San Jose, California. eBay was founded by Pierre Omidyar in 1995, and became a notable success story of the dot-com bubble. Today it is a multibillion-dollar business with operations in about 30 countries.
Document 5: Supply chain network: A Supply Chain Network (SCN) is an evolution of the basic supply chain. Due to rapid technological advancement, organisations with a basic supply chain can develop this chain into a more complex structure involving a higher level of interdependence and connectivity between more organisations, this constitutes a supply chain network.
Document 6: Overstock.com: Overstock.com, Inc. is an American internet retailer headquartered in Midvale, Utah, near Salt Lake City. Patrick M. Byrne founded the company in 1997 and launched the company in May 1999. Overstock.com initially sold exclusively surplus and returned merchandise on an online e-commerce marketplace, liquidating the inventories of at least 18 failed dot-com companies at below-wholesale prices. The company continues to sell home decor, furniture, bedding, and many other goods that are closeout merchandise, however, it also sells new merchandise.
Document 7: Connectivity (media): Connectivity refers broadly to social connections forged through mediated communications systems. That is, 'since the arrival of the World Wide Web and the spread of mobile communications, mediated connectivity has been quietly normalized as central to a consolidating ‘global imaginary’ One aspect of this is the ability of the social media to accumulate economic capital from the users' connections and activities on social media platforms by using certain mechanisms in their architecture. According to several scholars (van Dijck and Poell) "it is a key element of social media logic, having a material and metaphorical importance in social media culture". This concept originates from the technological term of "connectivity" but its application to the media field has acquired additional social and cultural implications. The increasing role of social media in everyday life serves as the basis of such connectivity in the 21st century. It shows the interrelations between the users activities on social media and at the same time the empowerment of the social media platforms with the data that was produced by the users and given to those services for granted.
Document 8: Business economics: Business economics is a field in applied economics which uses economic theory and quantitative methods to analyze business enterprises and the factors contributing to the diversity of organizational structures and the relationships of firms with labour, capital and product markets. A professional focus of the journal "Business Economics" has been expressed as providing "practical information for people who apply economics in their jobs."
Document 9: Group (online social networking): A group (often termed as a community, e-group or club) is a feature in many [social network services] which allows users to create, post, comment to and read from their own interest- and niche-specific forums, often within the realm of virtual communities. Groups, which may allow for open or closed access, invitation and/or joining by other users outside the group, are formed to provide mini-networks within the larger, more diverse social network service. Much like electronic mailing lists, they are also owned and maintained by "owners", "moderators", or managers, which possess the capability of editing posts to discussion threads and regulating member behavior within the group. However, unlike traditional Internet forums and mailing lists, groups in social networking services allow owners and moderators alike to share account credentials between groups without having to log into each and every group.
Document 10: PayPal: PayPal Holdings, Inc. is an American company operating a worldwide online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders. PayPal is one of the world's largest Internet payment companies. The company operates as a payment processor for online vendors, auction sites and other commercial users, for which it charges a fee.
Document 11: Network economics: Network economics refers to business economics that benefit from the network effect. It is also known as Netromix. This is when the value of a good or service increases when others buy the same good or service. Examples are website such as EBay, or iVillage where the community comes together and shares thoughts to help the website become a better business organization.
Document 12: EBay Enterprise: eBay Enterprise, Inc. (formerly GSI Commerce, Inc.) was a multinational e-commerce corporation that specialized in creating, developing and running online shopping sites for brick and mortar brands and retailers. The company also provided a variety of marketing, consumer engagement, customer care, payment processing, fulfillment, fraud detection, and technology integration services.
Document 13: Alibaba Group: Alibaba Group Holding Limited () is a Chinese e-commerce company that provides consumer-to-consumer, business-to-consumer and business-to-business sales services via web portals. It also provides electronic payment services, a shopping search engine and data-centric cloud computing services. The group began in 1999 when Jack Ma founded the website Alibaba.com, a business-to-business portal to connect Chinese manufacturers with overseas buyers. In 2012, two of Alibaba's portals handled 1.1 trillion yuan ($170 billion) in sales. Suppliers from other countries are supported (with more stringent checks than for Chinese companies), but the company primarily operates in the People's Republic of China (PRC). At closing time on the date of its initial public offering (IPO), 19 September 2014, Alibaba's market value was US$231 billion. However, the stock has traded down and market cap was about $212 billion at the end of December 2015.
Document 14: Newegg: Newegg Inc. is an online retailer of items including computer hardware and consumer electronics. It is based in City of Industry, California, in the United States.
Document 15: Network effect: A network effect (also called network externality or demand-side economies of scale) is the effect described in economics and business that one user of a good or service has on the value of that product to others. When a network effect is present, the value of a product or service is dependent on the number of others using it.
ground_truth: eBay Inc.