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Transcript

  • 1.  
  • 2.
    • Priyanka Sawant (49)
    • Rohan Shah (50)
    • Ravi Kumar Sharma (51)
    • Kiran Sawwalakhe (50)
    • Amit Shirali (53)
    • Shridhar K. (54)
  • 3. Introduction
    • A social network service is an online service, platform, or site that focuses on building and reflecting of social networks or social relations among people
  • 4. Introduction
    • Social networking sites are popular with people all over the world
    • Social networking sites can be a great way to stay in touch with a large group of people
  • 5. History
  • 6. Web 1.0 v/s Web 2.0
  • 7. Web 1.0
    • "Web 1.0” has “static” web pages such as HTML static web pages .
    • Web 1.0 sites are not interactive
    • Web 1.0 applications are proprietary
    • Eg:- Britannica Encyclopaedia
  • 8. Web 2.0
    • “ Web 2.0”has “Dynamic” pages
    • “ Web 2.0” site gives its users the free choice to contribute.
    • “ Web 2.0” application is an open source program.
    • Eg:- Wikipedia, SNS, blogs, video sharing
  • 9. Designing a SNS
    • Client side technology
    • Server side technology
  • 10. Top 5 SNSes
    • Facebook (traditional)
    • MySpace
    • Twitter (blogging)
    • LinkedIn (professionals)
    • Ning (teachers)
    • Doc2Doc (medical)
  • 11. Advantages
    • Free of cost service.
    • Simple set up of profiles.
    • Easy customization of profiles.
    • Maintenance and updation is flexible.
    • Conveys information about the business by blogs and bulletins.
    • Allows for customer feedback.
  • 12. Disadvantages
    • Lack of anonymity.
    • Scams and harassment like trolling, cyberstalking and cyber bullying.
    • Addictive and a waste of time without a particular purpose.
  • 13. Emerging trends
    • “ Real time” and “location based”.
    • Real time allows users to contribute content, which is then broadcasted as it is being uploaded - the concept is similar to live television broadcasts.
    • Twitter set the trend and Facebook followed suit.
  • 14. Emerging trends
    • Twitter focuses on words while Clixtr focuses on photo group sharing.
    • The location based service allows users to "check-in" to places that they are frequenting at that moment, based on GPS system.
    • Clixtr (iPhone) , Foursquare and Yelp.
  • 15. Applications
    • Investigations : Criminal and legal investigations, probations, school administrations. Eg. Facebook, MySpace.
    • Government: To get public opinion and keep the public updated. Eg. Centre for Disease Control (Whyville) for vaccinations, NOAA (Second Life), NASA (Twitter, Flickr) to aid Review of U.S. Human Space Flight Plans Committee.
  • 16. Applications
    • Business: For customer relationship management, brand networking and advertising. Important for intrepreneurs and small businesses. Eg. LinkedIn (40 millions users) and Hub Culture (London).
    • Dating: Online dating services charge a fee while SNS are free. Eg. MySpace and Facebook.
  • 17. Applications
    • Education: Contain educational blogs, eportfolios, ad hoc communities, chat rooms and discussion threads that connect teachers and students. Eg. Ning (teachers), Learn Central, Teach Street.
    • Medical: Knowledge sharing and popularising individuals and insitutions. Important for pharma companies (32% of marketing)
  • 18. Applications
    • Health Care: Eg. PatientsLikeMe (life altering diseases, SoberCircle (Addicts), SparkPeople (Weight loss), Daily Strenth.
    • Search Engines: Explicit (based on explicitly stated social relationships Eg. XFN, XHTML) and Implicit (based on common interest Eg. NewsTrove).
  • 19. Business Model
    • Free of charge: Model based on large membership count and charging would be counter-productive.
    • Revenue: online advertising (MySpace, Facebook) and few charge for subscriptions.
    • Autonomous business model: Members serve as both suppliers and consumers of content.
  • 20. AJAX
    • Client-side/web browser technologies are Asynchronous JavaScript and XML (AJAX), JavaScript/AJAX, Adobe Flash and Adobe Flex.
    • Ajax programming uses JavaScript to upload and download new data from the web server without undergoing a full page reload.
  • 21. AJAX
    • Data requests going to server are separated from data coming back to page (asynchronously) thus increasing performance of the site.
    • Data fetched by an Ajax request is typically formatted in XML or JSON (JavaScript Object Notation) format.
  • 22. Adobe Flash/Flex
    • Flex makes it easier for programmers to use large data grids, charts, and other heavy user interactions.
    • Applications programmed in Flex, are compiled and displayed as Flash within the browser. Flash plays audio and video files which cannot be done through HTML.
  • 23. Languages Used
  • 24. Server Side Technology
    • To share its data with other sites, a web site must be able to generate output in machine-readable formats such as XML, RSS, and JSON.
    • New Languages such as PHP, Ruby, ColdFusion, Perl, Python, JSP and ASP output data using information from files and databases.
  • 25. SLATES
    • Search: Finding information through keyword search.
    • Links: Connects information together into a meaningful information ecosystem using the model of the Web.
    • Authoring: The ability to create and update content leads to collaborative work.
  • 26. SLATES
    • Tags: Usually one-word descriptions to facilitate searching.
    • Extensions: Software that makes the Web an application platform as well as a document server. Eg. Adobe Reader, Adobe Flash player, Windows Media etc.
    • Signals : The use of syndication technology such as RSS to notify users of content changes.
  • 27. Web 3.0
    • (Web 3.0 Semantic Web): TV-quality open video, 3D simulations, augmented reality, human-constructed semantic standards, and pervasive broadband, wireless, and sensors.
  • 28. dotNet
    • User-Friendly
    • Object Oriented Language
    • Allows a computer to access the computing power of an other site.
    • Don’t buy and install but subscribe and access software on the net.
    • Extension : .aspx eg. Orkut
  • 29. dotNET
    • XML (Xtensible Markup Language) : a meta- language which can be used to define other languages.
    • HTML : HTTP :: XML : SOAP (Simple Object Access Protocol)
    • Windows XP : Remote assistance (XML-based encrypted ‘ticket’).
  • 30.  
  • 31. Web 2.0
    • Contrast to websites where users (consumer) are limited to the passive viewing of content.
    • Egs. SNS, wikis, blogs, video sharing.
    • Web 1.0 (Britannica Encyclopaedia) and Web 2.0 (Wikipedia).
  • 32.  
  • 33.