in connection with registering for and using the service , you agree -lrb- i -rrb- to provide accurate , current and complete information about you and/or your organization as requested by duolingo ; -lrb- ii -rrb- to maintain the confidentiality of your password and other information related to the security of your account ; -lrb- iii -rrb- to maintain and promptly update any registration information you provide to duolingo , to keep such information accurate , current and complete ; and -lrb- iv -rrb- to be fully responsible for all use of your account and for any actions that take place through your account .