Yotpo is a Shopify app that helps businesses collect and publish reviews, photos, and Q&A which can be used to identify segments and enrich marketing emails. You can import Yotpo data directly into Klaviyo via the Yotpo-built integration. Then embed your best customer reviews and feedback into your campaign and flow emails. You can also use Yotpo data to create customized product feeds based on your customers' reviews.
Learn more about syncing Yotpo and Klaviyo by viewing Yotpo's Klaviyo Integration Guide