Since the early 1990s, as the Economist chart above shows, Olympics organizers have steadily added more and more freestyle skiing, snowboarding and other X Games-style events in a bid to appeal to younger viewers.
Unlike Twitter, which has developed into a go-to source for breaking news, only 28% of Facebook news consumers have ever used the service to track an unfolding news story. And even among that sub-subgroup, fewer than half (41%) said Facebook was among the first places they'd turn to keep up with a breaking news event.
Globally, incomes have risen fastest for the very well-off and the bottom two-thirds of the world's people, but have stagnated or fallen for the "global upper middle class."