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When to choose visible/invisible preview text?
Is there a good best practice of when to use invisible preview/snippet text and when to make it visible?
Looks like O'Reilly's data newsletter has the preview text visible, for example:

Is there a good best practice of when to use invisible preview/snippet text and when to make it visible?
Looks like O'Reilly's data newsletter has the preview text visible, for example:

We do both in our emails. Our emails that are more simple templates we keep it hidden vs. our more HTML emails with on CTA we add it in as visible.
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