It's like say thank you to random citizen, or be polite on the road with drivers next to you. Something that at first glance costs nothing however it gives some pleasure to people who get it
It will be cool when zapping becomes so mainstream that it is a new form of etiquette.
Zapping is the polite thing to do.
"Can you believe, he didn't even zap it after using my meme."
"She jumps in the comments and asks all those questions and didn't even zap when she got answers."
Time to get our manners game on.
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