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It's a fair point, but we've tried to test this issue in a number of different ways. Based on the available data, cross country differences in email usage doesn
by davetannenbaum 3y ago
It's a fair point, but we've tried to test this issue in a number of different ways. Based on the available data, cross country differences in email usage doesn't seem to have a meaningful impact on our results. See my comment above to gyf304.