A retirement hobby of listening to podcasts grew to this published collection of over 22,000 descriptions of the most interesting topics out of more than 120,000, arranged alphabetically, with download links for individual files and collections. The weekly best are posted in a blog called Media Mining Digest. These are a modern version of the old library file cabinet full of organized pamphlets, leaflets and miscellaneous useful bits of information that don't fit on book shelves and magazine racks. Free cloud storage and blogging support allow production of the blog and this encyclopedia with on-hand equipment and software. Time and labor are the biggest cost. It's a productive retirement project. The effort will continue as long as the collector is able, and free storage exists.