AHC/WI: Shaking Hands

Wasn't quite sure how to phrase the title, but what if shaking hands doesn't become the dominant form of greeting/agreement/etc?

What do you guys and girls think would replace it? I read somewhere that Marie Antoinette and some of the courtiers at Versailles were intrigued by what they saw as a quaint gesture, and MA would thereafter greet any English visitors by shaking their hands. Could be apocryphal, but I figurr it just shows that shaking hands wasn't as widespread as it is now
 
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