Noticed this in another episode and saw it again here. When they do FaceTime calls they never have the little window with the view of the person who is talking to the person on the phone.
The story shows Owen as being 13 in 1984, which would have had him being born around 1971. In reality, Rob Lowe was born March 17, 1964, making him 20 years old in 1984, 7 years older than his character.