The two most important metrics for email marketing are open rate and click-through rate. If your emails aren't opened, subscribers will never see your full marketing message, and if they open them but don't click through to your site, your emails won't convert.
Алексей Гусев (Редактор отдела «Спорт»)
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「在我們的選舉中舞弊十分猖獗」
Here users can comment, post links, and add pictures – though many read the content without engaging.