TL;DR: Amplify your next summer road trip with Autio Unlimited, a network of stories told by master storytellers like Kevin Costner and Phil Jackson. It’s just $39.99 for a limited time. Hitting the road this summer? Sure, you’ve probably got your summer soundtrack, but you can get even more out of the great American road trip with Autio Unlimited. This app offers professionally edited and narrated stories about the places you go, narrated by Kevin Costner, Phil Jackson, John Lithgow, and more master storytellers. With Autio, when you come into a new place, the app automatically triggers stori…