Reminds me of how telegraph receivers used to be able to identify transmitters of the telegraph by their "fist" (cadence or rhythm with which they signaled). H

Reminds me of how telegraph receivers used to be able to identify transmitters of the telegraph by their "fist" (cadence or rhythm with which they signaled). Here's a Schneier post about a Concordia University study about identifying e-mail authors. https://www.schneier.com/blog/archives/2011/08/identifying_peo_2.html https://www.schneier.com/blog/archives/2011/08/identifying_p...