The May issue of Learning and Leading ( a publication of ISTE, the International Society for Technology in Education has a excellent article on the semantic web - which is sometimes referred to as Web 3.0.
The ISTE piece did something I haven't seen done before. Instead of talking about this or that small aspect of Web 3.0 (or talking to you as though you already fully understood what Web 3.0 will be), it created a historical perspective that helped you understand where the Web is going.
When the Internet first started it was about publishing documents. People put up more or less static pages for others to read. It was a great thing because suddenly there was a great deal more to read - and you got to read things on the Web that you might have otherwise never seen. Static.
Then one day someone had the bright idea of letting readers comment on what they'd just read. Next they started letting the average Joe write their own blogs, then publish their own videos on YouTube, edit web encyclopedias, put interactive forums up - and just as suddenly the content of the Web began to be generated and created by a much broader cross section of Web users. We called it Web 2.0.
One result was pop culture overload. The top picks in Google are there because they're popular - not because they're accurate. And as sophisticated as Google's algorithms may be, the massive hoard of information and data out there means that Google's best algorithms resemble some early precursor to the Dewey Decimal System.
The Semantic Web is an effort to tag information (including images) so that it can be more meaningfully searched - and we can move beyond what's popular, making it easier to find what's important...
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