Preparations continue on the U.S. Capitol for the second inauguration of President Barack Obama in Washington, D.C., on January 17, 2013. - 

A few months ago, we teamed up with a group of journalism students at the University of Southern California's Annenberg School. We used social media to find people who were born on Inauguration Days past, and asked them how they think America has changed since they came into the world.  Hear memories and concerns from Robert Olen Butler, Larry Sequino, Ciara McDonough and her 4-year-old son Ronan Goto.

Click on the audio player above to hear the audio postcard.