What (if any) difference is gained from shaking an alcoholic drink vs stirring it?

Question

You know the classic James Bond line “Martini, shaken, not stirred” is there an actual difference in the taste of the drink from shaking it vs stirring it?

In: 573

Answer 1

I’ve read a lot here about how shaking chips the ice, so how does the drink come out if something like frozen stones or marbles are used?