Track Your Kid's Milestones on a Tape Measure
by Michelle Woo on Offspring, shared by Michelle Woo from Lifehacker on (#4HGWJ)

Oh, the childhood ritual of doorway height recording. You'd stand as straight as humanly possible as Mom or Dad would draw a line at the top of your head and write the day's date. Then you'd step back and view the results. Hey, look! You grew three-quarters of an inch! Your parents would smile and give you a"