Web 2.0
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This document discusses the history and evolution of the internet and web technologies. It covers the development of early search engines like Google, the rise of user-generated content and social media through Web 2.0, and emerging technologies like mobile applications and cloud computing. The key themes are the central role of users in driving innovation, the emphasis on open standards and sharing, and the ongoing shift to more collaborative and mobile experiences online.
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Web 2.0
- 1. The Search Web 2.0 G. Riflet
- 2. 0 What about Web1.0? Tim berners Lee – inventor of the W orld W ide W eb
- 3. 0.1 Web1.0 •webpages •web-pages •email •newsgroups •search engines •news sites •IRC •forums
- 4. I What About Google?
- 5. I.1 Google history • Back in 1994, in Stanford, two friends, one finalists project ... and one Idea!
- 6. I.2 Google history Consider an internet page. I know where it links to ... but ... I don’t know where it’s linked from. Larry’s one-billion dollar pop quiz: Which pages link to this page?
- 7. I.3 Google history A year later BackRub was born. Innovative, this program would send crawlers to slurp the pages in the integral and then it would index their links, thus providing for the first time a snapshot of the links structure of the internet. A natural ranking of web pages followed. They called it the PageRank, from the name of its creator, Larry Page.
- 8. I.4 Google history With the index and the PageRank concept they pushed their data to the next level and created a novel search engine: i – It allowed full-text search ii – It ranked its results according to the PageRank principle They named it Google, after a typo when trying to write googol (10100).
- 9. I.5 Google history With the index and the PageRank concept they pushed their data to the next level and created a novel search engine: i – It allowed full-text search ii – It ranked its results according to the PageRank principle They named it Google, after a typo when trying to write googol (10100). Their moto is: “Don’t Be Evil!”
- 10. I.6 Google history It released the GOOG stock on 2004 at $85 a piece. 2007-05-10 20:00 $464.82 REFS: •Sergei Brin and Lawrence Page, The Anatomy of a Large-Scale Hypertextual Web Search Engine. •John Batelle, The Search.
- 11. I.7 S.E.O. •Give data away (but make sure it gets packaged with a link coming back to your site)!! Provide a simple to use API. Ex: slideshare, youtube, del.icio.us, google! •Have lots of organic links coming back to you! Get people talking and posting about you. (www.digg.com) •Use Google W ebmaster's tools (former sitemap) in order to facilitate Google's crawlers. •Use Amazon's Alexa or/AND Google Analytics to monitor and analyse your site traffic. •How many visitors COME BACK? How many are regulars? Are they daily, weekly, occasional visitors? •Use CSE and Google Co-op to create your adequate search engine.
- 12. I.8 Earth and Maps •Conceptual revolution: •URL referenced documents will now get to be geo- referenced (a.k.a. Geo-tagging ). W ikipedia, panoramio, National Geographic, 3D structures etc... •Search business tries to refine geographically (google local) ... •But ultimately it strives to get to individuals web history and suggestions. Have you seen MyMaps?
- 13. II What About WEB2.0?
- 14. II.1 It's the people, stupid! (But there's also a strong technological basis). •Last month: Web 2.0 Expo at San Francisco http://www.web2expo.com/ Here’s the introductory video
- 15. II.2 100% user-driven community •User generated content •User editing •User publishing •User authoring •User sorting MOTO: Empower the user!
- 17. II.4 Distinctive features •Free •Open •Publish •Comments •Tagging (folksonomy) •Preserves privacy •Friends •Collaborative/Sharing •Feeds/Broadcasts •Extensible •Do One Thing And Do It Well!
- 18. II.4b CREATIVITY LOLCats
- 19. II.5 Rething copyright CC – Creative Commons Some Rights Reserved
- 20. II.6 Cultural behaviour evolution Forums Community driven Blogs Individual & community driven Wikis Collaborative community driven
- 21. II.7 feeds / subscriptions RSS – Really Simple Syndication Ex: google reader, digg, del.icio.us
- 22. II.8 Tagging •A.k.a. Folksonomy (ex: del.icio.us, youtube) •Geo-tagging, georss (ex: Panoramio) Tag cloud or tag roll
- 23. II.9 Collaborative Ex: Google Docs&Spreadsheets, Google calendar
- 24. II.10 Tips for a successful site •Do One Thing And Do It Well •Sound Moral Basis and clear objectives •Community driven site •Empower the user •Flattened hierarchy (search + tags) •Word to mouth emphasis Webmarketing * •Involve the people and get involved with the people.* •Go to important community sites and suggest your site at pertinent occasions.* • Get the people talking about your site. * •Pertinent comments on relevant characters sites is crucial! * •Network of organic links.*
- 25. II.11 Growth It's growing fast!!! Hard to keep up with. Listen the leaders, and the gurus from the geek community in first hand. Blogs, Webcasts, youtubes, slideshare!!! News in last. Use a good reader. Use google trends! My personal favorites: Tim Berners-lee, Tim O'Reilly, EvHead, PaulStamatiou, Kevin Rose, the Google guys, W3C stuff. Other relevant people: Eric Schmidt (Google), Jeff Bezos (Amazon), John Batelle.
- 26. II.12 Last hot thing: MASHUPS! Ex: Yahoo!Pipes, Teqlo Mashable web site pre-requirements: 1 - Feeds, 2 - Extensibility/Openness, 3 – Tagging EMERGENCE !!!
- 27. II.12 Last hot thing: MASHUPS! Ex: Yahoo!Pipes, Teqlo Mashable web site pre-requirements: 1 - Feeds, 2 - Extensibility/Openness, 3 – Tagging EMERGENCE !!!
- 28. III What about making money?
- 29. III.1 Show me the money! Well, web2.0 is about the user, and a human experience. It's not about money. However, business models driven by targeted ads generates over 6.1 billions in revenues for Google. Counter-examples: Google, Amazon, Bet&Win, E- Bay, iTunes.
- 30. III.2 Practicalities •Large traffic volume •First page from search results •Keep It Simple & Clean!
- 31. III.3 The Long Tail A Key concept for discovering new niches in web-based commerce. Re- Coined by Chris Anderson.
- 32. IV What about technology?
- 33. IV.1 Lots of change here too SEPARATE FORM FROM CONTENT!!! FOLLOW STANDARDS! (Follow W 3C!!) •XHTML •DOM •CSS (liquid) •XML •Schemas (DTD, XSD) •XSL •JSON •SOAP •REST •DB (MySQL, SQLserver ...) •RSS2.0/ATOM1.0 •Microformats (?)
- 34. IV.2 Hardware •Wifi revolution •Broadband democratization •Mobile internet
- 35. IV.3 Winning technique/philosophy: AJAX! •Javascript •XML •CSS •Flash Ex: Google docs&spreadsheets, meebo
- 36. IV.4 Scalability! •Read a book by Cal Henderson (Flickr guy) •See slideshows HOT TIP: Amazon S3, EC2!! Ex: SlideShare $0.15 per GB for bandwidth, $0.20 per GB per month for storage.
- 37. IV.5 The vision: Web OS! Consequence: Desktop apps go web-based! PROS: mobility!! CONS: Not so advanced. Still missing offline mode. Examples: Google Apps, iGoogle, Gadgets, Widgets, calendar, docs&spreadsheets Who will drive the content? The users. Who will drive the capsule? The servers, the entrepreneurs. Big players? Google, Amazon, Apple, MS.
- 38. V What about the future?
- 39. V.1 Go Mobile! THE DRIVERS OF THE FUTURE ARE PUTTING PRESSURE ON quot;GO MOBILEquot;!!!! IPHONE???
- 40. V.2 Breakthroughs? OFFLINE SYNCING (DOJO offline Toolkit) LOW-COST SCALABILITY (Amazon S3, EC2)
- 41. V.2 New platforms? Adobe APOLLO ??, Sun JavaFX ???, MS Silverlight ????,
- 42. V.3 New revolutions? OLPC (Negroponte)? Second Life? It's the people, stupid! Empower the user!
- 43. VI What about Lunch? REMEMBER!! It's the people, stupid! Empower the user!
- 44. VI Lunchtime Entrepreneurs Gurus: •EvHead (Twitter) •Kevin Rose (digg) Money Gurus: Visionnary Gurus: •Cal Henderson (flickr) •Jeff Bezos (Amazon) •Tim Berners Lee •Eric Schmidt (Google) Prototypical web-user: •Tim O’Reilly •Paul Stamatiou REFS: •Sergei Brin and Lawrence Page, The Anatomy of a Large-Scale Hypertextual Web Search Engine. G. Riflet •John Batelle, The Search.