The Interactive Advertising Bureau (“IAB”) released a Digital Audio Buyer's Guide. According to the Digital Audio Committee of the IAB, the guide was written in response to questions placed by creatives, planners and buyers regarding digital audio advertising and  aims to educate marketers and agencies as to audio advertising opportunities.

The guide lays the very basic foundation of the digital audio ecosystem by defining key termssuch as "digital audio" and other common digital audio advertising terms. It also includes research conducted by IAB affiliates regarding digital audio usage and favorable trends in the United States, and extensively, details regarding the usage habits of Americans.

The guide's last part details advertisements types in the field of digital audio, and outlines audio advertising creative best practices. This part contains examples regarding advertisements length, tone, content, etc, and other best practices that would be most valuable to the above mentioned.