2013: Comp113 lecture 1 part two


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2013: Comp113 lecture 1 part two

  1. 1. Lecture 1 Part Two Overview
  2. 2. Outline• History• The Internet• The World Wide Web (Web 1.0 & Web 2.0)• Social Media – Characteristics – Uses• Basic forms of SM• Issues with SM
  3. 3. R-Evolution Communication 1:1  Paper100AD  Electromagnetism 1800sh  Internet 60s Media 1: ManyBC….105AD 1825 1950 1990 2002 2010
  4. 4. The Internet• The origins of the Internet reach back to research of the 1960s• The Internet establishes a global data communications system between computers.• The internet powers a multitude of services: – Emails (1966) – Telnet, enabling logging on to a remote computer (1972) – File transfer protocol, enabling file transfers between internet sites (1973) – Newsgroups – Online games – World wide web
  5. 5. Sir Timothy Berners-Lee coined the name andwrote the first World Wide Web server and thefirst client program--a browser and editor--inOctober 1990• The Web is one of the services communicated via the internet.• It is a collection of interconnected documents (web pages) and other resources, linked by hyperlinks and URLs
  6. 6. • Basic html (hypertext mark-up language) for publishing content on the internet• Read-Only content.• The web master is solely responsible for updating users and managing the content of the website.• Relies on “pull” user semantics
  7. 7.  User-generated content Rich Internet Applications (RIA) Push semantics
  8. 8. Web 1.0 VS. Web 2.0Web 1.0 Web 2.0• Read only • Read-Write• Publisher centred • User centred• Pull semantics • Push semantics• Limited interactions • Rich interactions• Transmission • Syndication• Static • Dynamic• Rigid • Loosely Couple
  9. 9. Social Media“Social media is a group of Internet-based applications that build on the ideological andtechnological foundations of Web 2.0, and that allow the creation and exchange of user-generated content.” - Andreas Kaplan and Michael Haenlein (2010) Social media allow for lay users to collectively author, moderate and share information free from the restrictions of traditional information dissemination. Social Media is a part of all our lives
  10. 10. Basic Forms of Social Media1. Social Networking:Website that allows you to create a personal profileabout yourself then chat, discuss and shareinformation with others such as friends and family.
  11. 11. • A website launched in February 2004• A social networking service• Users must register before using the site• You to be at least 13 years old to become registered users of the site.• Similar sites include MySpace and Google +.• The China’s FaceBook is RenRen (147M registered users)
  12. 12. • Combines elements of blogging with instant messaging and social networking• a real-time information network launched in 2006• micro-blogging service of up to 140 characters.• Celebrity hub• Wiebo.com is China’s Twitter
  13. 13. Basic Forms of Social Media3. Content Communities:Communities which organise and share particular kinds ofcontent.The most popular content communities tend to formaround photos (Flickr), bookmarked links(del.icio.us) videos (YouTube). Presentations (Slideshare) News (digg)
  14. 14. Basic Forms of Social Media 3. WIKIS:These websites allow people to add content to or edit the informationon them, acting as a communal document or database. The best-knownwiki is Wikipedia, the online encyclopaedia which has over 2 millionEnglish language articles. Ward Cunningham, Inventor of the Wiki
  15. 15. Social Media CharacteristicsUser generated contentParticipationCommunity formationAccessibilityConversationalConnectednessTransparency
  16. 16. Why do individual use SMFun/easy/freeReputationReciprocityGroup identityPeer pressureEfficiencySharingAmbient intimacy
  17. 17. Uses of Social Media Day-to-day communication  Entertainment Networking  Recommendations Political involvement  Education Promotion  Mobilisation Sharing news  Publishing Dialogue  Fandom Disaster alert & recovery  New business models ...
  18. 18. Issues with Social Media• Privacy• Security• Spam (bots, trolls…• Copyright• Permanence• Exhaustion• Quality• Ethics (stalking)• Legal• You feel lonely