Many mass media and advertising channels (such as newspapers, magazines, radio stations, television networks, etc.) produce media kits and/or advertising rate cards, which can help companies as they develop their advertising and promotion strategy.
Media kits contain information about the audience (circulation figures for print-based products, and online or mobile audience demographics (age, gender, income) for online/digital media. Advertising rate cards may provide current prices for placing advertisements on websites, in print publications, or across media channels with the same media company.
To locate the media kit and rate card for a specific source, do an internet search for the name of the source and the words media kit rate card. For example: