Regardless of the popular vote, the presidential candidate must have 270 electoral votes to win. Interactive map 270ToWin shows predictions on which candidate will win this November based on NBC News, as well as the predictions of political insiders Larry Sabato and Charlie Cook. If prognosticating based on those sources doesn’t do it for you, you can make your own predictions and share that map with your social networks. Or you can pull up a map of the electoral college results from any election since 1789. You can find 270ToWin.com online, as iPhone and iPad apps or on Twitter.