Most list rental prices in U.S. declined last year; hardest hit were business-to-consumer

Permission-based list rental prices declined by almost 10% (9.84%) last year, according to a report in Audience Development, quoting an index published by Worldata.
The business-to-consumer category was $100 per thousand, down 10.7% year over year. Business-to-business lists were going for $284 per thousand, down less than 1%.
The only category of rental lists that saw a slight price increase was