James Bond famously likes his Martinis shaken, while Stanley Tucci prefers his Negronis shaken. Like Bond, Tucci's a man of consummate taste, who breaks...
Perhaps Mr Tucci prefers shaken, which gives a slightly colder beverage, because he is using a 2-1-1 ratio rather than the traditional equal parts. I have been making my Negronis with the 2-1-1 ration preferring the boozier result. I haven’t tried shaking though.