""The music changes and evolves based on your chosen path within the park," says Ryan Holladay, one half of the band. (His brother, Hays, makes up the other half of the outfit.) "To do this, the app uses the phone's built-in GPS capabilities." The app features a map of the Mall that shows what locations are tagged with sound."
"I use location for chance meetups with people I know in the city," he said last Friday afternoon, via a Twitter client on his phone. "It's worked a few times." Diven also raised a common concern, articulated as a sophisticated social network user might: "Hoping for more granular control soon!" He's a good example of an active person, who both exposes a lot of their activity publicly and has entirely private accounts on other services.