One Christmas, a group of friends got together to pack lunches, just like their mothers did for them when they were little. But this time, they were making sandwiches for strangers, complete with love notes. Little did they know that by sharing pictures of their day on social media, they would start a movement that has grown to over 100 cities in 5 continents. As one of the founders notes: it is easy to embed giving into our every day lives. #HashtagLunchbag!