This is old news, I guess, but worth keeping in mind. In the years right before the French Revolution, did eight aristocrats own as much as the poorest 50 percent of the French peasants?
Visualizing a Disturbing Truth: 8 Billionaires Own As Much as 3.6 Billion People for howmuch. Explains who the eight billionaires are.
Income share for the bottom 50 percent of Americans is collapsing, new Piketty research finds by Steve Goldstein for MarketWatch.