When other Tagatoo users send you Action Request, you can quickly reply by tapping on "Accept" or "Decline" buttons. You can also update progress by tpping on "% Done" button. The will have the option to send your communication as standard email or just update which is visible to Tagatoo users included in this email.
Tagatoo users when composing an email can also set a Due Date for their Action Request. The Due date will show up on top of each email. Tagatoo users can update Due Dates, which will be visible to all people included in this email.