I'm at a family thing so just tried it on about 5 people in a row. My two daughters it got 100%. My mother in law was guessed to be 10 years younger than she is (she was happy). My father in law was spot on (early 60s). This is pretty impressive. (I should note that it was VERY bad with dark/poorly lit shots with the eyes hard to see so we moved to a naturally lit space.)
