Segment 1: MU and other universities are tracking attendance through a cellphone app. Developed by a former Mizzou basketball coach, SpotterEDU has been used by MU to track attendance for student athletes for years and now they're expanding its use . MU says students can opt out if they're uncomfortable, but people across the country are concerned by the trend. Drew Harwell , Washington Post technology reporter, Colleges are turning students' phones into surveillance machines, tracking the