«Fidelity by the Numbers: Corporate Statistics», Fidelity, accessed April 6, 2016: fidelity.com/about-fidelity/fidelity-by-numbers/corporate-statistics
151
Suleman Din «Raising $100M, Betterment Sets Itself Apart in Robo Space», Employee Benefit News, March 29, 2016: benefitnews.com/news/raising-100m-betterment-sets-itself-apart-in-robo-space