South Carolina Governor Mark Sanford not only played fast and loose with the institution of marriage, but with email. However, help keeping affairs secret has arrived not only for politicians, but all of us. AshleyMadison.com just released apps for mobile phones and the Blackberry. Jeremy Caplan reports for Time that because they're "loaded up from phones' browsers, they leave no electronic trail."

For those unfamiliar with it, AshleyMadison...