In the morning, hipsters check who's been re-tweeting them That's the new status symbol. And, it could be the beginning of bringing a celebrity or at least someone with a brandname onto their network.
The marketing implications are huge. For instance, since Pope Francis tweets he can offer to Re-tweet the reflections of those fallen-away Roman Catholics who return to the religion of their childhood. The re-tweets by the Pope would be preserved in one's personal belongings the way the high school year book and wedding photos are.
Months ago The Weinstein Company, which released the documentary "Salinger," re-tweeted my tweet. Essentially I opined that it was a sleeper, bound to become a gold mine when Salinger's hidden manuscripts about the Glass family were published. Those were the days of heaven.