None of your data is used. We keep your email address for the login but it is not linked to the queries you make. Once you login, Sophoz stores your data, i.e. your email address, on a database. This is to monitor who is using the service and to prevent abuse. No query is linked to your account and only your email address is stored. If you wish to delete your account, please contact us at email@example.com. Sophoz does not use your data for any other purpose than to monitor the use of the service. We however do not track when or how often you use the service.