Easiest way to hang a picture.

Why, why have I never come up with this idea.  Whoever did is absolutely brilliant and I owe everything to.  I did this the last time we moved and it worked every time, it was so much easier than the level, pencil and measuring tape.

RESULTS
PINS UP
*****-ease
*****-effective
*****-time
*****-cost
*****-practical

Original pin can be found here: http://www.iheartnaptime.net/easiest-way-to-hang-a-picture/