Credentials like username and password provided to us during registration are needed for signing in to our service. Your email address is required for possibility to change lost password and for verification, that it is really you. All these information are.
All information which you provide to us are kept in private and they are not disclosed to any third party. These information are used only to provide our services to you.
Data, which you enter in notebook and todo list are not further distributed and not disclosed to public. Unlike from subjects wall, where users share they insights and other relevant information, which are available only to narrow circle of users.
It is possible to share your created timetable via special link and it is accessible to everyone, who has this link from you.