Some children become famous because they sing.Some because they act.Some because they achieve extraordinary things at a very young age. And then there are a few whose fame begins with something incredibly simple—a photograph. For Anahita Hashemzadeh, it all started with a smile. Its called A Smile the World Could Never Forget. Long before she understood what social media was, millions of people across the globe had already fallen in love with her bright green eyes, rosy cheeks, curly brown hair, and infectious smile. A single photograph transformed an ordinary Iranian toddler into one of the internet's most beloved child celebrities.Within a remarkably short time, her pictures appeared on countless...