How to make perfect martini - and why James Bond gets it WRONG
'Shaking tends to be a more energy-intensive process and also creates small shards of ice that melt quickly. This creates more dilution, assuming shake and stir times are equal.'
Sorry, Purists: James Bond's Martini Order May Make More Sense Than You Think - Tasting Table
Shaken vodka martinis suit vodka's neutral profile, chill and dilute the spirit for smoother flavor, and may offer stronger antioxidant properties than stirred martinis.