The document discusses how behavioral email marketing and social proof from online reviews can be combined for higher email engagement and conversion rates. It provides examples of the three highest converting email types - product browse, category browse, and homepage browse emails - and benchmarks for their open rates, click-through rates, and revenue per email. The presentation emphasizes how including targeted, authentic customer reviews in emails adds social proof that influences purchasing decisions and improves email performance metrics. Attendees are shown real-world examples of how reviews have been incorporated into successful email campaigns.