Web 2.0 and Social Networks CHAPTER 9 Web 2.0 and Social Networks

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

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.

Chapter Opening Case: From Social Networks to Social Commerce Source: VLADGRIN/Shutterstock

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.

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.

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.

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

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)

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

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

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

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

Crowdsourcing Web Sites Source: Scott Maxwell/ LuMaxArt/Shutterstock

9.3 Categories of Web 2.0 Sites Social Networking Sites Aggregators Mashups

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

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.

Aggregators Bloglines Digg Simply hired Technorati

Chapter Closing Case The Business Problem The IT Solutions The Results