Google (NASDAQ:GOOG), Microsoft (NASDAQ:MSFT) Bing and Yahoo (NASDAQ:YHOO) June 2 introduced, an effort to help Website publishers improve Web search results for users.
Those top three search engines, particularly Google, take tons of flak and quips from journalists, pundits and search experts who claim results from these search results have grown increasingly laden with spam and low-quality content. is no spam killer, but it will allow Google, Bing and Yahoo to create a common vocabulary for structured data markup on Web pages, including little data tidbits such as restaurant ratings and reviews, movies and locations, and even cooking time for recipes.
This will help Website publishers and webmasters improve how their sites appear in major search engines, and hopefully make Website content more enjoyable and relevant for users.
Read the entire article Google, Bing, Yahoo Start for Content Markup - Search Engines - News & Reviews -

It could be interesting, I would like to see that in action.

What do you think?