ING works with iCrossing to promote NYC marathon sponsorship. ING chose iCrossing as its creative partner for a digital effort helping to foster community among marathoners. The social media-centric campaign helps training experts connect with the ING Runner's Nation community for the much-watched marathon, and allows runners to archive their training through video diaries and social updates. PubMatic adds Shiny Ads self-serve ad platform. Digital media platform PubMatic and ad inventory tech firm Shiny Ads have made the self-serve advertising platform available to PubMatic publishers. The platform will be available to publishers through PubLink, PubMatic's enterprise app marketplace. Promodity opens free trackable…