Joshua Wolf Shenk, author of 'Powers of Two: Seeking the Essence of Innovation in Creative Pairs'

What drives creative success? According to Shenk the magic number is two. Even when we're alone, we are "collaborating" with the voice inside our head.

Shenk examines dynamic duos in all fields of business, entertainment, social activism, etc. and unveils the "electrified space" of a partnership. He also identifies some of the core qualities of creativity and reveals the six essential states in which it unfolds.

Hear more about the genesis of creative innovation and the collaborative process.