Ad Infinitum is the only podcast solely focused on audio ads - the creatives who make them and/or the latest thinking that informs them how the space is evolving - AND, usually, a round-up of recent audio ads and analysis by host Stew Redwine and each episode's guest - BUT, this episode is a little different.This is Season 2, Episode 9 of Ad Infinitum, and this episode's title is "Sonic Truths." It discusses the evolution of McDonald's sonic branding and its current and future audio recipes w...