“Two Obama for America 20-somethings with clipboards came to our door in Northern Virginia in 2008 and asked to speak to our grown children, who, their records showed, might still be living with us. They weren’t, but they weren’t far out of the nest, either. We were stunned at the specificity of the inquiry. Catalist has data on every single voter in America. They know what you eat for breakfast. Well, maybe not, but their reach is formidable.”

Link.