This morning, the Obama campaign confirmed that Wednesday was their biggest single day of fundraising ever.
But they aren't releasing an actual figure. While the president's performance at Tuesday's debate probably had something to with it — the campaign's email fundraising efforts also likely played a key role.
Both candidates use sophisticated programs to tailor messages based on age, location, and income.
But little is known about how they gather their data and how they use it. To help figure that out, the journalism non-profit ProPublica has started collecting and analyzing campaign e-mails for a project they've dubbed The Message Machine.
ProPublica's Jeff Larson joins the show, you can help him decode political e-mails be forwarding him yours. The address is firstname.lastname@example.org. Click here to go the the ProPublica Message Machine Project.