In marketing, an insert or blow-in card is a separate advertisement put in a magazine, newspaper, or other book. They normally are the key revenue stream for non-subscription local papers alongside publications. Sundays typically bring numerous large inserts in periodicals, because most once a week sales begin on that time, and in addition it has got the highest blood supply of any day of the few days.
a friendly report attachment that presents the location plus the supply of an interoffice file, memo, and similar items. It might additionally be an additional insert when a package is sent that encourages early incentives for offers or functions as an advertisement for free products towards the items becoming delivered.