A commentary from FierceEnterpriseCommunications editor Jim O'Neill examines how cable companies are trying to horn in on the telehealth market currently controlled by telecommunications companies. "For years, [telehealth] has long been the bailiwick of telephone companies" such as AT&T and Verizon, O'Neill writes. "But cable companies, worried that margins on their television business also are shrinking, aggressively have begun to sell broadband and videoconferencing to hospitals and doctor's offices." Editorial