Quote Originally Posted by DyerStraits View Post
The friction caused by shaking a martini instead of stirring it "bruises" the ice and "heats" it ever so slightly, causing the ice to melt a bit, which waters the mixture down a bit, making it less potent. Bond orders his martinis this way because it helps him keep his "edge".

The irony of course is that Connery himself didn't like martinis, and was mostly a beer drinker--Scotch Ale, for example...
Interesting, thanks. I look forward to a Bond movie marathon.