Thursday, 15 March 2012 Previous supporters and donors may now have relocated and are uncontactable. Data analysts were hired to go through millions of telephone, Facebook and other social media records to help the Obama team to reconnect with previous supporters and swing voters. Recently, Americans have been receiving emails from the Obama campaign's manager - Dan Sinker for donations. Interestingly, there are six versions of this message, each targeting a slightly different audience. Generally, those who have not donated to Obama's campaign in the past will receive a longer message, detailing their chance to win a chance at a dinner with the President. Those who have not donated for the current campaign would receive a slightly different message, focusing on a one-click payment system. Some of who may have donated recently may receive another version of the email, encouraging them to give a little more. Effectiveness of various sentence structure is also tested within the six versions of the message. With other candidates also employing data analytics in this presidential campaign, it will be interesting to see which tactic comes out as the winner. So far, according to Sasha Issenberg, a journalist who has done extensive reporting on campaigns' new uses of data and analytics, said the Obama campaign is leading the way. Read more - http://www.nytimes.com/2012/03/08/us/politics/obama-campaigns-vast-effort-to-re-enlist-08-supporters.html http://www.propublica.org/article/reverse-engineering-obamas-message-machine The six versions of the email: http://www.propublica.org/special/message-machine-you-probably-dont-know-janet