An audio content item, submitted by and spoken in a voice of an author, is received and registered along with an insertion point and associated content information. An audio advertisement submitted by an advertiser is received and registered. At least one targeting criterion is associated with the audio advertisement. User information and at least one content pushing criterion are stored for a user. Without being selected by the user, the audio content item is automatically selected for pushing to the user based on the content information satisfying the at least one content pushing criterion. The audio advertisement is automatically selected for insertion at the insertion point based on the content information and the user information satisfying the at least one targeting criteria. A package that includes the audio content item with the audio advertisement inserted at the insertion point is created and pushed to the user.