Matthew Butterick set out to school lawyers in presenting their printed and online material in the most readable, transparent way possible. That online campaign has morphed into a body of advice applicable to all who want their message to assisted rather than impeded by their use of type, white space and other elements of design. Butterick has even designed typefaces for use in legal and other high information content contexts. When Erik Spiekermann is on board, you know his approach and advice is solid. Highly recommended.