Today was a good day. At four o’clock this morning our time the polls closed on the west coast of America and exit polls led to the networks calling the Presidency for Obama. What’s phenomenal about Obama is that he came from practically nowhere two years ago, and despite running against established rivals – first Hillary Clinton and John Edwards, and then John McCain – managed to not just take the White House, but surfed into it on a landslide. Obviously psephology is phenomenally complex, but one thing is clear: Obama used technology to motivate his base and get the vote out. But just how did he do it? Here are five uses of technology that helped win it.