not sure which tool you are referring to. google toolbar? keyword research tool? google custom search? plz explain
you mean the advance search options of google?? its not new.. like this one: http://www.google.com/advanced_search?q=gmail&hl=en&biw=1024&bih=579&site=webhp&prmd=ivnsu
see left side google search tools friends..... http://www.google.com/webhp?hl=en#sclient=psy&hl=en&site=webhp&source=hp&q=songs&btnK=Google+Search&aq=0&aqi=g5&aql=&oq=&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=1ec92a21f3882047&biw=1024&bih=526