comparing auto-tune to instagram is problematic for me as the two are associated with different mediums and the two are not completly analogous. so we can only really speak in aesthetic subjective terms. by ragesoss (own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via wikimedia commons there is an important difference between the way an instagram filter is applied…