Email marketing folks, here's a brilliant resource!
How can TripAdvisor send emails nearly every day without getting labeled a spammer, while other businesses struggle to send even a monthly newsletter?
TripAdvisor, as I’ve learned through my time as a customer and careful observer, has an unfair advantage. It’s an advantage they created for themselves and one YOU can create too.
https://www.getvero.com/resources/guides/tripadvisors-unfair-advantage/