Notes - add notes to a bubble

To add a note:

1. Click inside a bubble

2. Click on a small button on the lower-left corner of a bubble

3. A text box will appear where you can enter notes

Press 'Enter' to accept. To enter multiple lines use 'Shift + Enter' key combination.

A bubble that has a note, will now have a blue corner icon appear on it. 

Hover over the icon to view the note. 

To remove a note, simply delete all text.