Podcasts cover a range of topics all the way from plumbing to aviation, but a niche listening audience is attracted to a slightly more personal subject – one that features titles like “Open Source Sex” and “Kinky Sex Radio.”One woman, calling herself “Cunning Minx,” decided to take advantage of this trend, taking the actual sex out of her podcast, but keeping in its raw, real-life lessons – that more often than not have to do with sex.