When you share your opinions, avoid dipping into politics, religion, sexuality, and other topics where many people have almost fundamentalist views. If, however, you know that most of your audience shares your opinion on a topic that’s important to them, you can instantly seem more trustworthy by pointing it out because people trust people who are similar to them.

First of all, BuzzFeed has awesome subject lines and preview text. They are always short and punchy -- which fits in perfectly with the rest of BuzzFeed's content. I especially love how the preview text will accompany the subject line. For example, if the subject line is a question, the preview text is the answer. Or if the subject line is a command (like the one below), the preview text seems like the next logical thought right after it:
Take advantage of the email template designer or upload your own. There are also tools to segments lists and personalize emails with all your contact data. The A/X testing feature allows you to test up to ten different versions of your email before you decide which one stands out as the best. A campaign comparison tool pits your previous campaigns against the current one to give a complete picture.
While email marketing ROI is higher than that of social media, you’d be remiss if you’re not combining both. While keeping your brand top of mind is an obvious benefit of using email and social, the crucial data you can derive from both enables you to hyper-personalize your messaging and content. This makes integrating both an integral part of your social media strategy and vice versa.