Create a start timer button. Perhaps explain that users start the timer when their search for "it" begins. They click end timer, when "it" has been found to their satisfaction.

1. If a person digs down into the hive and cannot find "it" then they might end the timer with a caveat - "it was not found, but I dug deeper towards it. This is where I left off." tid:698 (2) (hivelink)