TargetSpot and Parks Associates have released a white paper on internet radio use. Internet Radio now reaches 39 % of broadband households. 49 % of these users are heavy internet users accessing the internet 22 hours and more per week. The study also found that internet radio boosts online ad recall. To dowload the study and read the review access the links below.
Meanwhile by the way enterprises do start to advertise within live streams. ClickZ has this story mentioning the personal broadcasting service Ustream offering advertising opportunities and referring to the just started live broadcasting services of YouTube.