Today's interview recorded on July 29th is with Mark Pesce, author and futurist of the nextbillionseconds.com. In it, we explore what a universal currency API might enable in new urban environments with 5 Billion smart phones.

You can learn more at www.markpesce.com and follow him on twitter at @mpesce.

Note: In the podcast, Mark mentions Chipotle is owned by McDonalds. According to the Chipotle site, "McDonalds once invested in Chipotle but divested in 2006. Chipotle went public the same year."