Northern Arizona University officials have used $80,000 in federal stimulus funding to install attendance-tracking technology -- leading to student protests on Facebook. The university will use card readers that students can swipe ID cards to track attendance among freshmen and sophomores in large classes. University officials say the technology will free up more time for teaching. Students have criticized the scanners, saying officials can now track their movements on campus. Instructors are not required to use the attendance data.

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