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NEW YORK: Internet search provider Google has joined hands with rivals Microsoft and Yahoo for a project -- schema.org -- that will improve web search results.
Microdata is an extension to HTML5 that provides another way to embed Microformats and Poshformats vocabularies.
For common semantics on the web (e.g. people+organizations, events, reviews, syndicated content), microformats are still simpler and easier than microdata, and are already well implemented across numerous tools and services.
If using the href="http://schema.org/InStock" were all of a sudden to change to something else then what happens to the data value?
Hmm reading through the material and it seems when I try to navigate the site it crashes IE browser so makes me wonder if they followed their own instructions to test it.
The False Choice
The schema.org site makes it appear as if you must pick sides and use Microdata if you want preferential treatment. This is a false choice! They even state that you cannot use RDFa and Microdata and Microformats on the same page as it will confuse their parsers – forcing Web designers to exclusively use Microdata or be lost in the morass of search listings. The Web community should decide which features should be supported – not Microsoft or Google or Yahoo.
...Microformats were created in an open and community-driven way. RDFa was created in an open and community-driven way. Schema.org was not, and if it catches on, expect to see it not scale over the long term and an increase in vocabulary lock-in to the major search companies. Which are you going to choose? Facebook's Like button markup, or Google/Microsoft/Yahoo's Microdata markup – you are being put into the position of choosing one of those exclusively.
[edited by: Robert_Charlton at 4:28 am (utc) on Jun 4, 2011]
[edit reason] fixed display of filtered name and link [/edit]
So, for those of you who maintain valid XHTML code, this will present challenges. You may be forced to switch to an HTML5 DOCTYPE so that you can take full advantage of all things HTML5 and maintain valid documents.
There is markup for:
The Web community should decide which features should be supported – not Microsoft or Google or Yahoo.
Microformats were created in an open and community-driven way. RDFa was created in an open and community-driven way. Schema.org was not
The Web community should decide which features should be supported – not Microsoft or Google or Yahoo.schema.org sounds like the days when IE tried to bully the web into adopting their standards instead of W3C standards. Now its a posse of search engines, so they can better scrape your content and keep people from leaving the search screen... from arriving at your website.
Why didn't they just call it "Stealing your data Microformat"?