You can tell a lot about a person by the radio station they choose to listen to. At least that’s what us marketers count on. Marketers and media planners base their decision on where to buy ads on data compiled by research companies like Nielsen, Kantar Media, and Scarborough. For radio, Arbitron is the go-to source. The company uses surveys and wearable portable people meters to collect listener data for local and network radio and TV audiences . This is also the information used to gather radio station ratings. Their annual reports include fascinating insights into what people listen to, …