What are radio advertisers thinking as the pandemic subsides? Will they come roaring back after having dealt a steep blow to the medium in 2020? This sixth installment in our "2021 Mindset" series focuses on the marketing habits of 944 businesses that bought radio advertising in the last half of last year. The 16-page report includes 23 charts and tables profiling the types of marketing they're buying, what they're spending, and how they're adjusting budgets for 2021. It includes a 15-point executive summary and "Borrell's Take," our observations. The report is $395, or free to subscribers. The Executive Summary is available for free.