I wonder what the world would look like if people were rewarded not based on their ability to have the impressive last word in a verbal battle — but based on the ability to actually solve problems, create peace, and make the world a happier place? Not a rhetorical question...
"The human species is very likely to go extinct before reaching a "posthuman" stage..." Hmm.. I see a semantic redundancy! Also, what does "posthuman" mean to you?