id author title date pages extension mime words sentence flesch summary cache txt crln-9070 Pittsley, Kate Where to advertise: Media planning resources on the web 2014-02-01 5 .pdf application/pdf 2514 148 46 Sources of independent audience measurement/analysis Advertising media planners need reliable numbers on how many people are reached by media vehicles, as well as demographic detail on audiences, since the ultimate goal is to maximize exposure to specific target groups that are most likely to purchase the product or service. MRI+ is likely the most useful free site for students planning ads in magazine media. cache/crln-9070.pdf txt/crln-9070.txt