send self destructible/secret messages safely

how to do:  

1)   Open https://privnote.com/

2)   Write things what you want to send secretly

 

3) Click on notify me and enter your email address there

4)   Click on create note

5)   You will be provided  a link like how I got

6)   copy the link to your friend in his email  to whom you want to send secret message!!

 

7)   The person who received the link can open your secret message only once and if he opens your link, you will be notified that he noticed your message and after he opens once it will be deleted ..

8) If the person opens same link again it will be deleted and it would show like this!!