Tap on the task you wish to share and select 'Share' . In the sharing screen, invite your friends to share the task with you by inserting their names in the text box above and choosing them. If your friends are already using Any.do, they will receive a notification in their Notification Center that you have invited them to share a task with you. This person will also see a pop up notification. If they do not have an Any.do account, an email will be sent to their inbox. As soon as the other members accept or decline the invitation, you will receive a notification in the Notification Center.