Why? For details see the Google info page. One nice effect is the rating (displayed as yellow stars) in the search result: Microformat, Microdata, RDFa, …? Many new formats, many different styles. There are so many because they have been…
Why? For details see the Google info page. One nice effect is the rating (displayed as yellow stars) in the search result: Microformat, Microdata, RDFa, …? Many new formats, many different styles. There are so many because they have been…