Google has quietly added a new OneBox feature that highlights articles from Wikipedia. read about it here : Micro Persuasion : Wikipedia Added to Google OneBox
So here is more about Google OneBox results. I found good info about it on Google Operating System : Google OneBox Results. There are several kinds of OneBox results, for example :
- Music Search
- Stock quotes. If you enter a ticker symbol, you'll get live quotes and information from Google Finance, Yahoo Finance and other sites.
Read about more such OneBox Results here >> Google OneBox Results