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Why stores send so many emails

Ever get frustrated by how many emails you get from stores and brands? Of all the forms of marketing, email has one of the highest returns on investment.

Copyright 2025 NPR

Sarah Gonzalez
Sarah Gonzalez is a host and reporter with Planet Money, NPR's award-winning podcast that finds creative, entertaining ways to make sense of the big, complicated forces that move our economy. She joined the team in April 2018.