1. Free Powerpoint Templates Page 1 Free Powerpoint Templates Push and Pull Technology by Chen Yin Wang

2. Free Powerpoint Templates Page 2 Introduction: Pull technology: browsers on client computers pull information from server machines. Browser request information Push technology: information is automatically delivered to the client Computer. You subscribe to a service such as newsfeed so that the server delivers the subscribed information. ex: RSS (Really Simple Syndication)

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5. Free Powerpoint Templates Page 5 Podcast: Podcasting: information contains audio file. Ex- iTunes

6. Free Powerpoint Templates Page 6 Advantages/ Disadvantages for users: Advantages Users have control over the flow of information No need to answer questions when unsubscribing Spam free Saves time Notices & updates Disadvantages No photos or pictures Too much information: traffic Not all delivered information is wanted (Pull technology preferred) Equality of access: need Internet connection for subscriptions

7. Free Powerpoint Templates Page 7 Effects on Business: Opportunities for advertisement and service Attract more customers Better chance of getting information on new products (ex: Amazon) Separation from e-mail attachments e-mail filtered as spam updates and notices are not received Podcast marketers such as Audi and Warner Brothers to promote work with audio files Ex: The movie, House of Wax Time-sensitive information such as appointment notices and travel packages ex: Continental and Delta airlines use RSS Jets International: available flights and customer requests Companies don’t know reasons for unsubscribing Important in improving service and advertising method

8. Free Powerpoint Templates Page 8 Social and ethical issues: Security: possibility of spyware and malware spread via RSS Richard Stiennon (director of WebrootGartner): “Spyware will latch onto RSS (Real Simple Syndication) as a way to distribute ad- and spy-style software" with further possibility of turning RSS newsfeeds into key loggers and ad spawners.“ Malware would be spread to all subscribers Privacy: Personal information extracted Companies: bad image, reputation customers lose trust rival company clients and money

9. Free Powerpoint Templates Page 9 Effects on Education: School notices and search feeds school daily notices and schedule monitor research during projects using keywords search feeds- keywords more access to data Daily questions Ex: SAT ‘question of the day’ More likely to answer daily questions No need to visit the websites Share resources Ex: http://del.icio.us (social bookmarking website)http://del.icio.us Using ‘tag,’ keyword is related to the content RSS feed: receive content with same tags Class blog RSS updates/class discussion Equality of Access no Internet connection: catch up with discussion or updates

10. Free Powerpoint Templates Page 10 Sources: http://www.rss-specifications.com/rss-and-education.htm http://www.samirkamble.com/rss-feeds-advantages-and-disadvantages/ http://www.webpronews.com/2006/09/05/business-benefits-of-rss-and-content- syndication/ http://www.masternewmedia.org/news/2005/06/14/bad_rss_issues_and_problems.ht m http://www.darkreading.com/security/perimeter/showArticle.jhtml?articleID=2088043 74 http://www.wordpresssecured.com/wpsecurity/tag/rss-malware/ http://www.clickz.com/clickz/column/1695371/real-life-rss-marketing http://www.rss-specifications.com/podcasting-explained.htm http://houseofwaxmovie.warnerbros.com/podcast.html