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Guest Post on ETF.com: How Betterment Automates ETF Selection

By Ellie Lan

When you use algorithms and data to make decisions, you agree to a very basic principle: You clearly and logically lay out the steps you follow, and then use the answers that your analysis produces—whether or not that jibes with a personal opinion or feeling, or worse, incentive provided by someone other than your customers.

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This article originally published September 9th, 2015 on ETF.com.