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I think I have managed to explain Web 3.0 quite nicely, so without further ado. Definition: Highly specialized information silos, moderated by a cult of personality, validated by the community, and put into context with the inclusion of meta-data through widgets.

Web 3.0 will take this one step further. If you are searching for information on Cars, for example, you would use the search engine as you normally would, but your results would be more specialized subengines.

Web 2.0 brought us a change in the basic way that we search, tagging.

Web 3.0, in my opinion is best defined as the third-decade of the Web (2009 - 2019), during which time several key technologies will become widely used. Chief among them will be RDF and the technologies of the emerging Semantic Web. While Web 3.0 is not synonymous with the Semantic Web (there will be several other important technology shifts in that period), it will be largely characterized by semantics in general.

Why is defining Web 3.0 as a decade of time better than just about any other possible definition of the term? Well for one thing, it's a definition that can't easily be co-opted by any company or individual around some technology or product. It's also a completely unambiguous definition -- it refers to a particular time period and everything that happens in Web technology and business during that period. This would end the debate about what the term means and move it to something more useful to discuss: What technologies and trends will actually become important in the coming decade of the Web?

In my opinion, Web 2.0 started with the introduction of the Social Networking Site (SNS) to the Web.

We can look back to 2002 and the launch of Friendster to see Web 2.0 in its infancy.

“Friendster was the first explicit social networking site in terms of the way we think about it today.”

The core idea is to use explicit social network of each user and semantic annotations to discover, share and recommend interesting information. We encourage users to annotate and classify (not just tag) interesting sites; their friends can subscribe to folders representing different topics.

Me entrevistaban el otro día acerca de la web 3.0, la web semántica y me resultaba difícil, a pesar de la experiencia en varios talleres sobre el tema, acercarla al usuario sin mencionar la primera aplicación que se ha encargado de ello: Twine.

Twine, una aplicación que está haciendo de algún modo de puente hacia esta (ya es casi tan popular como delicious), está a punto de lanzar un servicio para hacer más fácil la escritura de datos semánticos (ontologías).

La web semántica es una capa añadida a la web actual, no la sustituye. Añade significado visible a los buscadores que mejora la eficiencia, la experiencia de usuario de la web, pero en cuanto a lo formal, el diseño de lo que vemos actualmente no va a cambiar demasiado

6. Impulsar campañas conjuntas (industria, gobierno y sector educativo) que promuevan el cumplimiento de estas certificaciones en e-competencias (es decir, más allá de “saber usar la computadora”) [Matthews, NZCS]. 7. Incorporar cambios sustantivos en las prácticas de enseñanza-aprendizaje en el sector educativo: a. Pasar de una educación basada en los contenidos a una educación que integra conocimiento aplicado y habilidad de resolver problemas. “Data-information-knowledge-skills”(Stephenson and Yorke, 1998). b. Aprendizaje flexible, que favorezca la experimentación. c. Aprovechar las oportunidades del “Extended Blended Learning” (Bleimann y Röll, 2006) que combina el uso de plataformas de aprendizaje, con enseñanza cara-a-cara y con aprendizaje basado en proyectos, que ayudan a estimular un aprendizaje contextual y orientado a la acción.

The goal of the Semantic Web is to provide the capacity for computers to understand Web content that exists on systems and servers across the Internet, ultimately adding value to the content and opening rich new data, information, and knowledge frontiers.

In essence, the Semantic Web is a collection of standards, data structures, and software that make the online experience more detailed, intelligent, and in some cases, more intense.

In addition to the standards that govern the data and its structure, semantic technologies seek to define the framework and method of communication between systems.

Five years ago, an amazing teacher or professor with the ability to truly catalyze the lives of his or her students could realistically hope to impact maybe 100 people each year. Today that same teacher can have their words spread on video to millions of eager students.

Driving this unexpected phenomenon is the fact that the physical cost of distributing a recorded talk or lecture anywhere in the world via the internet has fallen effectively to zero

Indeed the very definition of "great teacher" will expand, as numerous others outside the profession with the ability to communicate important ideas find a new incentive to make that talent available to the world. Additionally every existing teacher can greatly amplify their own abilities by inviting into their classroom, on video, the world's greatest scientists, visionaries and tutors.