Saw that! Interesting to say the least.

My +1 is I'm getting old and I'm a little broken. I can run in Hokas much more comfortably than Brooks. I came to Hoka from Brooks. Yes this is completely subjective and not scientific but if it works for me, right?

Edit: Gah! They modeled a mass and spring system. I must stop reading that paper. It is giving me school flashbacks. :p