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:
When you create a Mailchimp account, you have the option to select a Free or paid plan. This option allows you to experiment with our user-friendly tools and figure out how to best use our all-in-one Marketing Platform. So if you’re just getting off the ground, you can learn to market smarter so you can grow faster. You can remain on the Free plan as long as you have 2,000 or fewer contacts in your audience.
A tracking pixel is a snippet of code that allows you to track your subscribers’ activity across various channels like your website, landing pages, and newsletters. Then, you also have the option to send emails triggered by certain behaviors. So for example, if a subscriber goes to your site and checks out your product page, a tracking pixel can send an email with a special offer for the specific product the viewed.