Here's what you need to know for today in the business of podcasting:Top ten popular podcasts consumed in affluent households by Brad HillOriginal Buffy the Vampire Slayer stars returning for new Audible series about Spike by Sydney BucksbaumInclusion as Innovation: How These Marketing Leaders Stay Ahead by Leaving No One Behind by Jason NotteMarketers prioritise measurement but aren't evaluating key metricsHow Brands Can Learn To Stop Worrying About Brand Safety And Love The News by Allison Schiff…as for the rest of the news: Bryan Barletta celebrates three years of Sounds Profitable with a slice of humble pie and ideas to invigorate the industry’s relationship with buyers, Coleman Insights launches AscendFM brand lift service, Politics.co.uk writer James Hanson reflects on the growing popularity of political podcasts, Inside Audio Marketing looks at more data from the Nielsen Podcasting Today report, AdWeek covers why marketers are paying more attention to attention-tracking, and Insider data shows five industries that will increase digital ad spend faster than the national average.