As Charlie tells independent producers Dan Collison and Elizabeth Meister, learning the story of just how his father became blind helped him grow closer to the old man, who spent much of his life absorbed in philosophical writings.

NPR: Charlie Rizzo: Walking with My Father

Only 38 years old, Casares is a successful and experienced entrepreneur and knows how to grow and build businesses.

FORBES: Will Wences Casares's Lemon.com Replace Your Wallet?

If we're not old, with our titanium joints and botox, how can we expect our kids to grow up?

CNN: Hey, baby boomer parents, back off!