The document discusses the history and key concepts of Web 2.0. It defines Web 2.0 as emphasizing user participation through social media tools and platforms that allow tagging, blogging, commenting and modifying content. Some examples provided include Wikipedia, Flickr, YouTube, and social networking sites. The principles of Web 2.0 are outlined as focusing on customization for users, harnessing collective intelligence through user-generated content, and treating the web as a platform for continual updates and cross-device experiences.

1. Mariano Aguirre Paredes

2. A short introduction Internet is a global system of interconnected computer networks that interchange data . Created by the USA Air Force ARPANET October 29, 1969 Internet <> World Wide Web As of June 30, 2008, 1.463 billion people use the Internet according to Internet World Stats

6. Web 1.0 was Commerce Web 2.0 is People - Ross Mayfield http :// ross.typepad.com / Web 2.0 seems to be like Pink Floyd lyrics: It can mean different things to different people, depending upon the your state of mind. - Kevin Maney http :// www.kevinmaney.com /

7. The origins The concept of &quot; Web 2.0 &quot; began with a conference brainstorming session between O'Reilly and MediaLive International in 2004 The phrase &quot;Web 2.0&quot; hints at an improved form of the World Wide Web Emphasize tools and platforms that enable the user to Tag, Blog, Comment, Modify, Augment, Rank, etc. The more explicit synonym of &quot;Participatory Web&quot;

9. Web 1.0 vs Web 2.0 DoubleClick Ofoto Akamai mp3.com Britannica Online personal websites Electronic newspaper screen scraping Publishing content management systems directories (taxonomy) stickiness Google AdSense Flickr BitTorrent Napster Wikipedia blogging digg web services participation wikis tagging (&quot;folksonomy&quot;) RSS syndication

10. Key points RIA ( Flash, AJAX , XML, Drag&Drop) SOA ( Feeds, RSS, WS, mush-up ) iGoogle netvibes Social web

11. Principles of Web 2.0 &quot;For corporate people, the Web is a platform for business. For marketers, the Web is a platform for communications. For journalists, the Web is a platform for new media. For geeks, the Web is a platform for software development. And so on.&quot; Richard MacManus

12. No Products but Services “ There are no products, only solutions” Not what customer wants but why they want A problem solving approach Simple Solutions

13. Customization Every individual is unique Some people want to be different Allow him to choose instead of forcing him to use what you have made Make him feel home e.g. My yahoo, Google Homepage, myspace Firefox extensions e.g. (This slide is better for reading online )

14. Customization Every individual is unique Allow him to choose instead of forcing him to use what you have made Some people want to be different Make him feel home e.g. My yahoo, Google Homepage, myspace, my naukri?? Firefox extensions e.g (This slide is better for taking printouts) .

15. Focus on the “Long Tail” Reach out to the entire web To the edges and not just to the centre, to the long tail and not the just the head Leverage customer-self service e.g. Google, StumbleUpon, orkut RSS

16. Harnessing Collective Intelligence Network effects from user contribution are the key to market dominance in Web 2.0 era The Wisdom of crowds – Users add value Amazon, ebay - User reviews, similar items, most popular, Wikipedia – content can be added/edited by any web user, Flickr – tagging images (eoi, pug, rock climbing…) Rockola.fm – tagging songs

18. Harnessing Collective Intelligence Some systems, designed to encourage participation Pay for people to do it – ‘gimme five’ Get volunteers to perform the same task Inspired by the open source community Mutual benefits e.g. P2P sharing

19. Harnessing Collective Intelligence But only a small percentage of users will go to the trouble of adding value to your applications via explicit means. Therefore web 2.0 companies set inclusive defaults for aggregating user data and building value as side effect of ordinary use of the application. It requires radical experiment in trust “ with enough eyeballs, all bugs are shallow” - Eric Raymond

20. Specialized Database Every significant application to date has been backed by a specialized database E.g. Amazon, Google, Ebay Database management is the core competency of Web 2.0 companies “ infoware” rather than merely “software”

21. End of the Software Release Cycle “ Release Early and Release Often” “ Perpetual BETA” Real time monitoring of user behavior Microsoft – upgrades every 2-3 yr Flickr- Deploy new build up to every half hr “ Put two or three new features on some part of the site everyday, and if user don’t adopt them, take them out. If they like them roll them out on entire site” - Anonymous

22. Software above the level of a Single Device The PC is no longer the only access device for internet applications Applications that are limited to a single device are less valuable than those that are connected. Design your application from the get-go to integrate services across handheld devices, PCs, and internet servers.

23. Benefits of Web 2.0 Reduced cost: Not only are Web 2.0 offerings low-cost, but the same techniques can also be applied to existing (non-Web 2.0) products and services, lowering costs. Quality controls are increasing: The Ikea case Kryptonite unbreakable locks

24. Summing Up No products but solutions Customization ability Focus on long tail Users add value Specialized Database Perpetual Beta Software above the level of single device Youtube search: The Machine is Us

25. WEB 2.0 Examples http://delicious.com (social tagging) http://www.netvibes.com (start page) http://voo2do. com / (task management ) http:// digg.com / (News) http:// flickr.com / (Photos) http:// calendarhub.com / (Organize) http:// www.rockola.fm / (PodCast) https://www.blogger.com/ (Blogs) http:// www.facebook.com / (Friends) http:// www.youtube.com / (Video) http://www.slideshare.net/ (SlideShows) http://docs.google.com/ (Open Document)

26. What Next ??

27. Web 3.0 This term that has been coined to describe the Semantic Web It promises to “organize the world’s information” Can reason about information and make new conclusions

28. Basic concepts http://en.wikipedia.org/wiki/Web_2 http:// en.wikipedia.org/wiki/Social_networking http:// en.wikipedia.org/wiki/Wikis http:// en.wikipedia.org/wiki/Folksonomy http:// en.wikipedia.org/wiki/Blog http://slideshare.net/glutzky/virtual-educa-las-aplicaciones-web-20 http://slideshare.net/dmcdowell/web-20-6952

29. Thank you ! Mariano Aguirre Paredes (maguirrep@gmail.com)