The USPS OIG has just released a new report on “Modes of Delivery and Customer Engagement with Advertising Mail.”  According to the report, which is based on a survey of 5,000 households, “Advertising mail delivered to a recipient’s door generates higher “read and response” rates than advertising mail delivered to the curbside or a neighborhood cluster box. Door delivery customers also are less likely to throw their ad mail away than customers with curb or cluster box delivery.”  The OIG notes that “Centralized delivery will lower Postal Service delivery costs, but could have implications on the demand side.”  Read more.