1. Slide 5-1 IT 361: E-Commerce Systems Chapter 6 Social Networks, Auctions, and Portals Readings: Chapter 11

2. Teaching objectives Explain the difference between a traditional social network and an online social network. Understand how a social network differs from portal. Describe the different types of social networks and online communities and their business models. Describe the major types of auctions, their benefits and costs, and how they operate. Understand when to use auctions in a business. Recognize the potential for auction abuse and fraud. Describe the major types of Internet portals. Understand the business models of portals.

3. Social Network Fever Spreads to the Professions Initial vision: SN will be limited to teenagers -> Attention was on SE & ads SN population 50+M then 75+M MS paid $250M for stake in facebook which valued the company at $15 billion Linkedin business SN 225M+ (professional achievement, connections+) Top executives: industry connection & promote businesses Middle management: networking & connections Lower-level employee: job searching & networking with co-workers To increase level of engagement: posts of CEO on management topics Stockr: Active communities where users are identified and ranked based on the performance of their stock picks. DailyStrength,org (health care) LawLink Sermo (physicians) Inmobile.org (wireless industry executives) Advertising professional

4. Social Network Fever Spreads to the Professions Email: communicating with individuals and small groups No good at sensing what others thinking especially in big groups The strength of SN of their ability to reveal group attitudes & opinions, values and practices. Finding the “inner” person who applies for a job 40% of employers use SN to screen job candidates.. 20% of employers found information that led them to hire someone..

5. Social Network Fever Spreads to the Professions How has the growth of social networks enabled the creation of more specific niche sites? What are some examples of social network sites with a financial or business focus? Describe some common features and activities on these social network sites. What features of social networks best explain their popularity?

6. Objectives What do Social Networks, auctions, & portals have in common? They are all based on feeling of shared interest and self- identification. In short, a sense of community SN Attract people with shared (gender, religion, political view..) Interest (sports, hobbies,..) Auction: community of people interested in trading unwanted items Portals provide access to community technologies

7. Social Networks and Online Communities Internet began as communications medium for scientists share knowledge, information and opinion Early communities were bulletin boards, newsgroups (e.g., the Well) Today social networks, photo/video sharing, blogs have created new era of online socializing Social networks now one of most common Internet activities

8. What Is an Online Social Network? Working definition – Group of people – Shared social interaction – Common ties – Sharing an area for period of time Portals: Search engines+ user generated content + free web design and hosting + ecommerce services + chatting+ … To survive: added community-building and SN features (e.g. yahoo & flicker) Portals and social networks: - Social networking is a functionality not a web site – Moving closer together

9. The Growth of Social Networks and Online Communities Top 10 social networks account for more than 90% social networking activity Facebook users: More than 50% are 35+ Unique audience size: – Top four U.S. social networks (FB,Linkedin,Twitter,Trumbler): 270 million – Top four portal/search engines(Google,Yahoo,MSN,AOL): 680 million Annual advertising revenue – U.S. social network sites: $4.45 billion – Top four portal/search engines: $22 billion – It is not a matter of unique visitor only, but Time on site is another important metrics

10. Top 10 Social Network Sites 2013 Figure 11.1, Page 696 SOURCES: Based on data comScore, 2013b

13. Turning Social Networks into Businesses Social networks monetizing audiences through advertising Business use of social networks – Marketing and branding tool Facebook pages, “fans” Twitter feeds – Reaching younger audience than Web sites and e-mail – Listening tool Monitoring online reputation – Extension of CRMs

14. Types of Social Networks and Their Business Models General communities: – Offer opportunities to interact with general audience organized into general topics – Advertising supported by selling ad space on pages and videos. Ex: FB, Pinterest, Twitter Practice networks: – Offer focused discussion groups, help, and knowledge related to area of shared practice – May be profit or nonprofit; rely on advertising or user donations. Ex: Linux.org, artist, educators, photographers,..

15. Types of Social Networks and Their Business Models (cont.) Interest-based social networks: – Offer focused discussion groups based on shared interest in some specific subject such as boats, horses, skiing,.. – Usually advertising supported. Ex: Sailing Anarchy, Military.com, linkedin Affinity communities: – Offer focused discussion and interaction with other people who share same affinity (self or group identification) like gender, religion, geographical location, … – Advertising and revenues from sales of products. Ex: iVillage, Oxygen attract women on topic such as babies, beauty, diet,.. Sponsored communities: – Created by government, nonprofit, or for-profit organizations for purpose of pursuing organizational goals. Ex: HP, IBM, Cisco

16. Social Network Features and Technologies Profiles Friends network Network discovery Favorites Games, widgets, apps E-mail Storage Instant messaging Message boards Online polling Chat Discussion groups Experts online Membership management tools

17. The Future of Social Networks Facebook’s growth has slowed. Drop from 65% to 50% Growth of social networks focused on specific shared interests Network fatigue – 42% Facebook users spending less time on the site – 60% dropped using it Financial future – Relationship between sales and Likes unclear – SN ads vs. portal ads

18. Online Auctions Online auction sites are among the most popular C2C sites on the Internet Slowed because “buy now” fixed price model eBay: Market leader 130M users & 350M items at any given day Established portals and online retail sites increasingly are adding auctions to their sites like Yahoo, MSN and JcPenny

19. Defining and Measuring the Growth of Auctions and Dynamic Pricing Auction: Market in which prices are variable and based on the competion among participant who are buying and selling products and services. Dynamic pricing.. – Airline tickets, coupons, college scholarships Many types of dynamic pricing – Bundling, Trigger, Utilization, Personalization

20. Defining and Measuring the Growth of Auctions and Dynamic Pricing (cont.) Auctions: Type of dynamic pricing – C2C auctions Auction house an intermediary – B2C auctions Business owns assets; often used for excess goods – Can be used to Sell goods and services Allocate resources Allocate and bundle resources

21. Benefits of Auctions Liquidity: seller and buyers meet together and may trade rare items Price discovery: quickly find prices for items that are difficult to assess based on demand and supply. Price transparency: no price discrimination Market efficiency: reduced price and hence increase in consumer welfare. Lower transaction costs: benefit both parties. Very low transaction cost. Consumer aggregation Network effects

22. Risks and Costs of Auctions for Consumers and Businesses Delayed consumption costs Monitoring costs – Possible solutions include: Fixed pricing Watch lists Proxy bidding Equipment costs Trust risks – Possible solution—rating systems Fulfillment costs

23. Market-Maker Benefits No inventory No fulfillment activities – No warehouses, shipping, or logistical facilities eBay makes money from every stage in auction cycle – Transaction fees – Listing fees – Financial services fees – Advertising or placement fees Smaller auctions are not profitable (liquidity & network affect)

24. Internet Auction Basics Different from traditional auctions – Last much longer (usually a week) – Variable number of bidders who come and go from auction arena Market power and bias in dynamically priced markets – Neutral: Number of buyers and sellers is few or equal – Seller bias: Few sellers and many buyers – Buyer bias: Many sellers and few buyers

25. Bias in Dynamically Priced Markets Figure 11.3, Page 715

26. Internet Auction Basics (cont.) Price Allocation Rules – Uniform pricing rule: Multiple winners who all pay the same price – Discriminatory pricing rule: Winners pay different amount depending on what they bid Public vs. private information – Prices bid may be kept secret Bid rigging – Open markets

27. Types of Auctions English auctions (ebay): – Single item up for sale to single seller – Highest bidder wins – Seller – biased. Traditional Dutch auction: – Uses a clock that displays starting price – Clock ticks down price until buyer stops it – Seller – biased Dutch Internet auction: – Public ascending price, multiple units – Final price is lowest successful bid, which sets price for all higher bidders Seller – biased

28. Types of Auctions (cont.) Name Your Own Price Auctions – Users specify what they are willing to pay for goods or services and multiple providers bid for their business – Prices do not descend and are fixed Consumer offer is commitment to buy at that price – Enables sellers to unload unsold excess capacity with 40% OFF. – Example: Priceline – Buyer – biased

29. Types of Auctions (cont.) Group buying auctions (demand aggregators) – Group buying of products at dynamically adjusted discount prices based on high volume purchases – Two principles Sellers more likely to offer discounts to buyers purchasing in volume Buyers increase their purchases as prices fall Professional service auctions -sealed-bid, dynamic priced market for professional services from legal and marketing, to graphic design and programing. – Example: Elance.com

30. Factors to Consider When Choosing Auctions Table 11.9, p 721 CONSIDERATIONSDESCRIPTION Type of productRare, unique, commodity, perishable Stage of product life cycleEarly, mature, late ( to be first with new product) Channel-management issuesConflict with retail distributors; differentiation Type of auctionSeller vs. buyer bias Initial pricingLow vs. high Bid increment amountsLow vs. high Auction lengthShort vs. long Number of itemsSingle vs. multiple Price-allocation ruleUniform vs. discriminatory Information sharingClosed vs. open bidding

31. Seller and Consumer Behavior at Auctions Seller profit: Arrival rate, auction length, and number of units at auction Auction prices not necessarily the lowest – Herd behavior Unintended results of participating in auctions: – Winner’s regret – Seller’s lament – Loser’s lament Consumer trust an important motivating factor in auctions

32. Auction Profits Figure 11.4, Page 725 SOURCE: Based on data from Vakrat and Seidmann, 1998.

33. When Auction Markets Fail: Fraud and Abuse in Auctions Markets fail to produce socially desirable outcomes in four situations: 1.Information asymmetry 2.Monopoly power 3.Public goods 4.Externalities Internet auction fraud was one of the top 10 types of fraud but in 2012, Internet auction fraud is 10% of total Internet fraud

34. E-commerce Portals Most frequently visited sites on Web Original portals were search engines – As search sites, attracted huge audiences Today provide: – Navigation of the Web – Commerce – Content (owned and others’) Compete on reach and unique visitors Enterprise portals – Help employees find important organizational content

35. Top Five Portal/Search Engines in United States Figure 11.5, Page 728 SOURCE: Based on data from comScore, 2011.

36. Types of Portals General purpose portals: – Attempt to attract very large general audience – Retain audience by providing in-depth vertical content channels – Example: Yahoo, MSN Vertical market portals: – Attempt to attract highly-focused, loyal audiences with specific interest in: Community (affinity group): for example, iVillage Focused content: for example, Bloomberg.com

37. Two General Types of Portals: General Purpose and Vertical Market Portals Figure 11.6, Page 732

38. Portal Business Models General advertising revenue Tenancy deals – Fixed charge for number of impressions, exclusive partnerships, “sole providers” Commissions on sales Subscription fees – Charging for premium content Applications and games

39. Revenue per Customer and Market Focus Figure 11.7, Page 733

40. Survival Strategy in the future General-purpose: develop deep, rich vertical content to engage consumer in the site Small vertical portals: put together collection of vertical portals to form network of deep and rich content. Search engine like Google: more content to attract users to stay long and expose to more Ad pages.