Gravity’s mission is to personalize the internet by generating interest graphs that help websites deliver customized content to every site visitor. A single publisher may post thousands of articles in a single day. How should it decide which pieces of content to feature on the homepage? Many online publishers today show different pieces of content to different segments of users who are identified based on similar behaviors, preferences and interests. But Gravity is helping these publishers optimize their content delivery even further by offering totally customized content to every individual.