!--StartFragment-->

Mark Zuckerberg and wife Priscilla Chan announced Tuesday that they plan to donate $45 billion, or 99 percent of their Facebook stock, during their lifetimes.

The couple shared the philanthropic news in a public Facebook post that included a 2,200-word letter written to their one-week-old daughter, Maxima. The parents said the birth of their first child, after three miscarriages, has given them a reason to reflect on the world they hope she grows up in.

"Like all parents, we want you to grow up in a world better than ours today," wrote Zuckerberg, founder of Facebook, and Chan, a pediatrician and CEO of the Primary School.

Read more on WashingtonExaminer.com