http://tornotdffnimkvhlt5jfnoggfgcy4qbetfgqcjuyzcbhydkqanob3yqd.onion/faq
If you want to send the same note to more than one person, go to "Show options" and opt for a time interval for the note's removal, then independently of how many times the note is retrieved, the note will be deleted only after that specified time is completed. What can I do if I regret sending the note or if I mistakenly send it to someone I do not want to read it?