1. Web 2.0 and Social Networks
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 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

5. 9.1 Web 2.0 Underlying Technologies
Web 2.0 is a loose collection of information technologies and applications, and the
Web sites that use them.
© Matthias Pahl/Age Fotostock America, Inc.

6. Most Common Web 2.0 Memes
Markus Angemeier took a look at the most common memes of the Web 2.0 phenomenon in this figure.
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.
© Marek Uliasz/Age Fotostock America, Inc.

7. Web 2.0 Underlying Technologies
AJAX
Tagging
Really Simple Syndication (RSS)
AJAX: A web development technique that allows portions of web pages to reload with fresh data instead of requiring the entire web page to reload
Tagging: A tag is a keyword or term that describes a piece of information (e.g., blog, picture, article, video clip)
Blogs and blogging: A blog is a personal web site, open to the public, in which the site creator expresses his or her feelings or opinions.

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

9. 9.2 Web 2.0 Applications
Blogs and Blogging Wikis Netcasting Web 2.0 Media Printing-on-Demand Crowdsourcing
Social Networking Sites: Allow users to upload their content to the web in the form of text, voice, images, and video.
Aggregators: Provide collection of content from the web (e.g., Technorati, Digg, Simple thred).
Mashups: A web site that takes content from a number of other web sites and mixes them together to create a new kind of content (e.g., SkiBonk, Healthmap, ChicagoCrime)

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

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.
Photographs

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

14. Crowdsourcing Web Sites
Source: Scott Maxwell/ LuMaxArt/Shutterstock

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

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

17. Twitter and the Iranian Election
Aftermath of the Iranian election in 2009
Protesters’ only link to the outside world: Twitter
© 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