What about adding additional tags or attributes so we can filter by length of time, date published (vs date submitted to your site), publisher (npr, radiotopia,

What about adding additional tags or attributes so we can filter by length of time, date published (vs date submitted to your site), publisher (npr, radiotopia, etc), guests (i.e., i liked this guest on Marc Maron's podcast, where else can I find him?), or sub-genre (i like true crime podcasts and sometimes I get that on Criminal, sometimes I get that on This American Life)