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

Back in the 1950s (ish), there was a belief that stirring alcoholic beverages ‘bruised’ the liquor, and adversely affected the taste, so ‘connoisseurs’ would request their libations be shaken.

This belief, however, has since been proven wrong about the bruising of the liquor.