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The need for Web 2.0 services?

• Large quantities of data are on the Web
  • The data needs to be managed in an appropriate manner.
  • Retrieved, queried, analyzed, transformed, transferred, stored, etc.
• Easy integration of data and services
  • Web apps should work with the other Web apps
    • LinkedIn can import your
    • Facebook can import your Dopplr trips 
  • Mashups should be enabled
    • Easy service composition
  • Desktop apps should work with Web apps
    • Flickr uploadr , Google calendar update/sync
• Technical solutions are needed to enable a truly Programmable Web
  • The solution can be seen in the form of Web 2.0 services (a.k.a. Web APIs)
• Data providers are offering Web APIs
  • Web 2.0 services enabling easy access to the Web 2.0 data.
    • Google maps, Geonames, phone location…
    • Microformats (vcard, calendar, review…)
    • Data feeds  
• Various functionalities are supported through Web APIs 
  • Publishing, messaging, payment…
• Web 2.0 facilitates user involvement through “reverse” APIs (leveraging on human computation)
  • Amazon Mechanical Turk, ESP game… 
• Overall Web APIs are powering the vision of the Web 2.0 as a collaborative and computational platform