It’s about surprise and humour. It’s a bit of Storytelling 101 (event leads to event leads to event leads to universal truth). But it’s mostly about craft, and if you tell stories, it’s totally worth 32 minutes of your time. From 2007, here’s Ira Glass at the Gel Conference:
Present again is Ira’s familiar “taking the tools of journalism and applying them to people whom you wouldn’t normally apply them to” mantra.
Particularly interesting is the explanation for why TAL doesn’t h