The document defines and compares Web 1.0 and Web 2.0. It outlines that Web 2.0 is a culture of sharing and participation enabled by technologies like wikis, tags, and APIs that allow users to interact and collaborate online in new ways. The key features of Web 2.0 include using the web as a platform, collective intelligence through user contributions, emphasis on data sharing, and rich user experiences through technologies like Ajax. Web 2.0 also enabled new business models centered around openness, the long tail of niche markets, and web platforms as a service.

1. - Tim O’reilly - What is the web 2.0

2. Contents Definitions of Web 2.0 2. Web 1.0/2.0 comparison 3. Web 2.0 Features 4. Web 2.0 Technologies 5. Web 2.0 Business Model

3. Definitions of Web 2.0 Web 2.0 is… • Introduced by O'Reilly Media in 2004 • Originally just a term to describe the ongoing development of the Web - Not just technology - What makes Web 2.0 particularly interesting is that it’s a culture Cultures… • Sharing, Connected, Openness, Participatory - People are very passionate about it

4. Web 1.0/2.0 comparison • Google AdSense • Flickr • BitTorrent • Napster • Wikipedia • Blogging • search engine optimization • cost per click • Web Services • Participation • Wikis • Tagging (Folksonomy) • syndication • DoubleClick • Ofoto • Akamai • mp3.com • Britannica Online • Personal websites • domain name speculation • page views • Screen Scraping • Publishing • content management sys. • Directories (Taxonomy) • stickness Web 2.0 Web 1.0

5. Web 2.0 Features 1. Web as a Platform • Platform for open, standards-based applications • Platform for new development and mash-ups Chip os Browser Application Web1.0 You are here

6. Web 2.0 Features service Software, License Business Need sever data DB not needed DB Web service (no update) Install and update use Service on the platform a product Product Web2.0 (Google) Web1.0 (Netscape)

7. Web 2.0 Features 2. Collective Intelligence • Folksonomy – Collaborative Categorization The wisdom of crowds 3. Data is the Next Intel Inside • Data is key and should be shared 4. End of the Software Release Cycle • Software is in constantly evolving

8. Web 2.0 Features 5. Lightweight Programming Models • open API/mesh up 6. Software Above the Level of a Single Device • The Network is the computer 7. Rich User Experience

9. Web 2.0 Technologies • Blogging, Syndication, RSS/Atom • Wikis, Web Services (REST) • AJAX, Rich Internet Clients • web2.0 의 10 가지 기술들 1. 웹 표준 (XHTML/CSS) 2. 브라우저 지원 (Firefox.Safari) 3. 유니코드 (UTF-8) 4. 논리 주소체계 (Logical URL) 5. 컨텐츠 신디케이션 (RSS/Atom,RDF) 6. 오픈 API (REST,SOAP,Web Service) 7. 집단지성 (Folksonomy, Tag) 8. 가벼운 서비스 프레임웍 (Python, Ruby on Rails) 9. 풍부한 사용자 경험 (Ajax, Flex) 10. 확장기능 (Firefox Extentions, Widget) * [Web2.0 Conference, 2006.3 : 윤석찬 Daum R&D Center]

10. Web 2.0 Business Model 1. Openness and Participation - Adv. Business : Google AdSense - User Participation : eBay, Amazon.com 2. Long Tail - minority niche market : Neflix, Rhapsody - syndication market 3. Web Platform - Web Platform service : salesforce.com, ringfo.com * Web 2.0 Business Strategy (Lee junki/ Lim il)

11. Another viewpoint on Web 2.0 These world Of internet Those world Of internet Trust Not Trust google Trust in The mass Of people The Way of thinking * Web evolution (Ueda Mochio) Yahoo Corporation Information system Web 2.0 Linux

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