Thousands of volunteers make WordPress, while a $10 billion industry powering one-third of the web profits. What drives so many to give so much of their time and energy? OPEN explores the open-source community making WordPress. This is a story about community giving freely of their time, expertise and energy to software driving the online economy. OPEN was filmed at WordCamps, local events around the world organized by volunteers to further the mission of democratizing publishing. With over 150 WordCamps and 600 meetups worldwide, this grassroots community brings together more than just pro...