iPodderX, created by August Trometer and Ray Slakinski, was the first program to make this technique possible. 

By 2007, audio podcasts had done what radio broadcasts had previously accomplished, which had been the source of radio discussion shows and news programs since the 1930s. This shift occurred as a result of the advancement of internet capabilities, as well as improved consumer access to less expensive audio recording and editing technology and software. 
In August 2004, Adam Curry launched his show Daily Source Code. It was a show focused on chronicling his everyday life, delivering news, and discussions about the development of podcasting, as well as promoting new and emerging podcasts. Curry published it in an attempt to gain traction in the development of what would come to be known as podcasting and as a means of testing the software outside of a lab setting. The name Daily Source Code was chosen in the hope that it would attract an audience with an interest in technology. Daily Source Code started at a grassroots level of production and was initially directed at podcast developers. As its audience became interested in the format, these developers were inspired to create and produce their own projects and, as a result, they improved the code used to create podcasts. As more people learned how easy it was to produce podcasts, a community of pioneer podcasters.