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The Evolving Web: New Methods of Online Interaction

Explore the newer methods of online interaction, including social networking on platforms like Facebook, LinkedIn, and Twitter, and collaboration on platforms like Wikipedia and Google Drive/Docs. Discover how the web has removed international boundaries and learn about cloud computing and its advantages and disadvantages. Delve into the concept of web monopolies and oligopolies and understand their impact on the digital landscape.

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The Evolving Web: New Methods of Online Interaction

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Presentation Transcript

  1. Web Science: The Evolving Web

  2. Describe newer methods of online interaction • Interaction ~ Social • Social Networking • Facebook • LinkedIn • Social Media • Twitter • YouTube • Social News • Reddit • Social Collaboration • Wikipedia • Google Drive/Docs

  3. How has the web removed international boundaries?

  4. What is cloud computing? • Cloud ~ Internet • A large number of interconnected computers offering services • Distributed computer • Sometimes synonymous to cloud services • Most common: • Computational power (running programs) • Storage capacity (storing data) • Private clouds vs. public clouds • Public Examples: • Google Drive • Google App Engine • Amazon Web Services • Dropbox • Netflix

  5. Private cloud vs. public cloud • Private cloud • A cloud computer/infrastructure that is private to an organization • The organization must maintain its private cloud of computers • Example: • Arlington Public Schools stores all its data on a distributed network of databases. • Public cloud • Cloud services are open for public use (over the Internet) • Cloud services can be free or can be for a fee • Examples: • Google Drive & App Engine • Amazon Web Services

  6. Prior to cloud computing • If you were a software company… • You maintained your own servers • You stored your own data on your own servers • You ran your programs on your computers • Security & maintenance are expensive! • Pay for hardware • Pay for software • Pay for people (support staff) • What if you did not use all of it?! • What if you need more?! • Outsource it!

  7. Cloud computing advantages • Offer CPU time and storage through the Internet • web services • Cloud computing companies specialize in web services, so you do not have to • Amazon Web Services: • Specialize in reliability • Specialize in scalability • Specialize in security • Lower administrative and maintenance costs • You pay for what you use • Save time and money • Prices drop with specialized web services

  8. Cloud computing disadvantages • What are possible disadvantages with cloud computing?

  9. How do we keep information private? • Prevent unauthorized access • Authenticate the identity of the user first • What is authentication? • Verifying the claimed identity of the user • What are some different mechanisms for authentication?

  10. Web Monopolies & Oligopolies • Monopoly ~ single entity that controls/dominates a market • Oligopoly ~ small number of entities that dominate a market • What are some examples? • Internet Service Providers? • Web Search? • Social Networks? • Cloud Services? • Why do you think this happened? (the web creating unregulated monopolies or oligopolies)

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