Which app gives a peek into the minds of celebrities?

B.J. Novak, best known for playing Ryan on The Office, created an iPhone app called The List, which allows people to share and read lists — about anything and everything — created by other users. A sizeable celebrity user base that includes Lena Dunham, Mindy Kaling and Snoop Dogg allows users to gain insight into the minds of public figures and regular people alike.