I wrote this post in August 2014 comparing Betterment to Wealthfront [http://danielodio.com/betterment-vs-wealthfront-which-one-will-maximize-your-wealth-more] , so it's been about 15 months, and I thought it'd be a good time to check in on relative performance, as a buddy of mine recently wrote: "I saw your post on betterment. I'm thinking