A method comprising receipt of visual information from a camera module, determination that the visual information comprises visual information indicative of a printed document that is being read by a user, determination of a printed document identifier that identifies the printed document based, at least in part, on the visual information, determination that the printed document identifier corresponds with a historical printed document record, retrieval of at least one printed document interaction attribute associated with the printed document identifier from the historical printed document record, and causation of rendering of information indicative of the printed document interaction attribute is disclosed.