Building howtall.is

Yet again, Joe provided the spark: I immediately knew I needed to build an app to let internet friends guess your height and find out just how much they were under- or over-estimating how tall you are. Justin Jackson's a great example : he gives off 6'1" energy (to me, anyhow) but he's actually 5'8". And I've seen him in person and I still thought he was taller! I have some experience building…