[Brian]

I've got four items overdue, and another due in an hour. While out and about, I complete one overdue action on my iPhone. Before the hour is up, waiting on a park bench for a friend, I do a mini-review on my WiFi-only iPad, deferring the due date on a different overdue action.

Two hours later, I reach a coffee shop with free WiFi. I open the iPad but do not launch OmniFocus; what number appears on the badge? :-)