Asma Nadia is one of Indonesia's most successful writers—but she grew up barely able to afford the books that inspired her.

After launching her own career, she wanted to give back to young writers in similar situations, so she created the Facebook Page Komunitas Bisa Menulis where aspiring writers can exchange, inspire, and learn.

When peace activist Mohammed AL-Samawi's life is threatened in his home country of Yemen, he turns to Facebook, and ends up getting some life-saving help—and making life-long friends.