http://www.vox.com/policy-and-politics/2016/11/9/13572112/trump-popular-vote-loss
"Don’t let recent history fool you into thinking this has happened a lot. Sure, we saw this in 2000, when George W. Bush received about 500,000 fewer votes than Al Gore but still won the election. But this is only the fourth times in American history that someone has won the Electoral College, but lost the popular vote — and it might not be the last."
