What if TV stations could engage their communities in an online platform that combined the best of social media with interactive live streaming, local personalities and brand safety, all while boosting the traffic on their own sites? KHQ-TV Spokane, long a digital innovator, is hoping to do just that with Chord Communities, a new platform that enables media companies to create their own communities that invite people to engage in their interests, from cycling, gardening or cars to even politics.