From the link provided below the analysis tool (http://www.wolframalpha.com/facebook/ http://www.wolframalpha.com/facebook/): Come back again! Fresh data = new

From the link provided below the analysis tool (http://www.wolframalpha.com/facebook/ http://www.wolframalpha.com/facebook/): Come back again! Fresh data = new results every time! Your information is only stored for one hour, so each time you return, we'll run fresh analytics on your Facebook data.