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Open Secrets: What Makes Email Subject Lines Work?

February 27, 2014

Marketers sent more than 838 billion emails in 2013. As HubSpot’s Niti Shaw points out, that’s nearly three times the number of stars in the Milky Way.

Faced with this competition, how can you write subject lines that drive opens?


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Ann Wylie Ann Wylie works with communicators who want to reach more readers and with organizations that want to get the word out. To learn more about her training, consulting or writing and editing services, contact her at
Email: ann at

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