This made me feel really uncomfortable when I watched it, seemed to have no point to it either.
as you can tell im what they call "bing watching" right now
Betty draper found out her daughters friend left town to go to school , she then goes to her bedroom and grabs a picture she had no her dresser with her daughter and 15yr old friend both in swimming bathing suits , very next image is a made vacuuming the Rug
leaving one to believe she went and rubbed out on her carpet
in season 1? betty also gave her friends 8yr old son a weird feeling of attraction