Five hundred, thirty-eight

Five hundred, thirty-eight. That's the number of electors in the electoral college.

And, FiveThirtyEight.com is the name of a website, whose creator, Nate Silver, appeared on Countdown with Keith Olbermann tonight.

Earn the admiration and gratitude of the number-crunchers, political junkies and geeks in your life by passing on this link to them.

It all about the numbers and the polls that capture their moment in time. And, wow, is it impressive.