Newsletters-recurring roundups of news, tips, or product updates-are one of the most popular content formats in email marketing. But they're tough to do right. How do you design a newsletter that's so dang good it engages your audience week to week or month to month? In this webinar, email geeks from Litmus and Really Good Emails look at the brands that have mastered the art and mad science of sending awesome newsletters. Didn't have a chance to watch the webinar live? Don't worry. You can access the full recording and the emails we reviewed and read the Q&A here.