By Jade E. Davis. On Sunday I received an email from Coursera letting me know that the Signature Track was now available for Cathy Davidson’s MOOC, “History and Future of (Mostly) Higher Education.” I felt myself tense up a little. The Signature Track, for those who aren’t familiar with it, uses multiple forms of authentication (government-issued photo ID, webcam, credit card) to verify that people taking a course are who they say they are. The signature component of the verification is a biometric technique. More...