1. CHAPTER 9 Web 2.0 and Social Networks

2. Chapter Outline 9.1 Web 2.0 Underlying Technologies 9.2 Web 2.0 Applications 9.3 Categories of Web 2.0 Sites

3. Learning Objectives 1. Describe the differences between Web 1.0 and Web 2.0, and explain the benefits of three information technologies used by Web 2.0. 2. Identify five prominent Web 2.0 applications, and provide at least one example of how each can be utilized in a business setting. 3. Discuss the three categories of Web 2.0 sites, and provide at least one example of how each can improve business efficiency and profitability.

4. Chapter Opening Case: From Social Networks to Social Commerce Source: VLADGRIN/Shutterstock Keep in mind throughout this chapter that every year roughly $100 Billion is spent on local advertising. Over $300 per person in the U.S.

5. 9.1 Web 2.0 Underlying Technologies © Matthias Pahl/Age Fotostock America, Inc.

6. Most Common Web 2.0 Memes © Marek Uliasz/Age Fotostock America, Inc. A meme is any unit of cultural information, such as a practice or idea, that is transmitted verbally or by repeated action from one person to another. Examples include thoughts, ideas, theories, practices, habits, etc. Note the basic memes of Web 2.0 are: usability, participation, economy, convergence, remixability, design, and standardization. TWO-WAY INTERACTION

7. Web 2.0 Underlying Technologies AJAX - technique that allows portions of web pages to reload with fresh data instead of requiring the entire web page to reload Tagging - a keyword or term that describes a piece of information (e.g., blog, picture, article, video clip) Really Simple Syndication (RSS ) – a way to allow efficient streaming of video

8. Geo-Tagging © Adam Radosavljevic/Age Fotostock America, Inc.

9. 9.2 Web 2.0 Applications Blogs and Blogging – there are unfortunate consequences of ‘herd instinct’ Wikis – the Cobert ReportCobert Report Netcasting – usually audio and/or video that allow asynchronous consumption Web 2.0 Media Printing-on-Demand Crowdsourcing – such as TongalTongal

10. Blogs and Wikis Blogs, Blogging, and the Blogosphere Wikis used in business © Panther Media/Age Fotostock America, Inc.

11. Netcasting Podcasts and Videocasts Source: Lane Oatey/Getty Images, Inc.

12. Web 2.0 Media Video Music Photographs Source: Lane Oatey/Getty Images, Inc.

13. Printing-on-Demand © Kitch Bain/Age Fotostock America, Inc.

14. Crowdsourcing Web Sites Source: Scott Maxwell/ LuMaxArt/Shutterstock Jobs traditionally performed by an internal employee or by a consultant and providing an “open call” to the Internet community (or a subset) to create the product/solution Think of reverse auctions. Can be dangerous if exact needs and product requirements are not well defined.

15. 9.3 Categories of Web 2.0 Sites Social Networking Sites Aggregators Mashups

16. Social Networking Sites For a list of social networking sites: Check out this BusinessWeek slideshowslideshow © Marina Bordjieva/Age Fotostock America, Inc.

17. Twitter and the Iranian Election Protesters’ only link to the outside world: Twitter Aftermath of the Iranian election in 2009 © Pankaj & Insy Shah/Age Fotostock America, Inc.

18. Aggregators Bloglines Digg Simply hired Technorati

19. Chapter Closing Case The Business Problem The IT Solutions The Results