After much positive and useful feedback I've posted this as a proposal:
https://www.dashcentral.org/p/Adverts_on_Radiolab
gobject vote-many 44bffe65c7cc4351a1172566b402f69f2bfc6e64fc88c6d1a225657812010627 funding yes
Our Advert could be running before and during 2 million plays of Radiolab...