On-demand now more popular than live audio

• For the first time ever, Americans are listening to more on-demand audio (like podcasts and music services) than live, linear audio (like radio), according to data from Edison Research released this week. Larry Rosin, the company’s President, says that though there will always be a place for linear radio, the trend will continue into the future.

• What happens when Elon Musk mentions your podcast? Last week, a day after we mentioned it in Podnews, apparent Podnews reader Elon Musk (hi Elon) tweeted about Airwave’s The Explorers Podcast, in a tweet that got 18 million views. Rephonic looks at the numbers to see what happened next.

• Business, true crime and comedy are the top categories increasing for podcast ad spend, says MediaRadar in a new study released this week. True crime podcasts might be mostly about murder, but brand suitability tools haven’t stopped the category seeing the second highest growth in ad spend, rising 26% year-over-year.

• A new podcast advertising order management platform launched at Podcast Movement. LiveRead.io claims it reduces errors and removes four out of every five hours spent on the process.

• TED has signed an ad representation deal with ARN’s iHeartPodcast Network Australia.

• AdBarker has made a tool for Shopify websites. Podcast Sync for Shopify makes your podcast episodes visible on your Shopify store.

• Popular UK podcast producer Goalhanger Podcasts has announced The Rest Is Money, a new podcast focusing on economics, business and finance. It will be hosted by Steph McGovern and Robert Peston.

Tips and tricks - with Pod Predictor by Coleman Insights

• How long should my podcast be? We have the answer, then another answer, then a third answer, then the right answer.

Podcast News - with Airwave

Part of the Airwave podcast network: What is the history of the potato? The Enigma machine? Constantinople? Houdini? History of Everything takes deep dives into history every week, whether you’re into war battles or Presidential sex scandals.

A new show from the UK’s Royal National Lifeboat Institution, RNLI 200 Voices is releasing a new episode a day for 200 days, to run up to the charity’s 200th anniversary in March next year. Listeners can hear from survivors, supporters, volunteers, lifeguards, celebrity ambassadors and historians.

Launched last month, Material Girls offers a fresh approach to discussing pop culture of the past and present by asking: Why this, why now? Why do we like what we like, and what can pop culture teach us about how the world works? It’s from feminist media team Witch, Please Productions

After covering the Iraq War, the Cuban Revolution, and the Korean War, today sees the launch of season four of Blowback, with co-hosts Brendan James and Noah Kulwin turning to Afghanistan. There’s a fancy video trailer over here.