We are a social platform and in order to interact with other users you will need to register or login. This way we can know each other better.
Registered users will be able to:
Save and download unique content from the users of the community.
Interact with other users, comment and evaluate their content.
Have a profile to show how creative you can be.
No, eso lo suelen poner los docentes que cobran por su material, en mi caso el material es gratuito y solo uso mi logo para indicar que el material es mío pero no es invasivo y no dice muestra.