All too true that, with the Wealthfront, Betterment, and Personal Capitals of the world, we are only seeing the beginning...
The next generation of Robo-Advisors will meaningfully transform the world of single-family offices. With the third generation Robo-Advisors, things really get interesting.
http://www.forbes.com/sites/russalanprince/2014/11/19/the-single-family-office-robo-advisor/