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サマリー
あらすじ・解説
Every few years we’re told that we need to move on from using email newsletters as a part of our marketing platform. And David says that advice has always been wrong.
Links
David’s article on Punctuation.com (subscribe to his newsletter at the bottom of the page)
“Email is the Most Consistent, Reliable Marketing Channel on the Web and I Can Prove It” by Rand Fishkin