What the case study is about:
babymarkt.de has been sending out category-based newsletters for a long time, which was sent to customers 20 days after they made purchase in the online shop. The corresponding products for the product recommendations in each category were manually assigned to the customer segments.
This required a lot of effort, but this type of newsletter was well received by the customers. However, babymarkt.de wanted to make their category-based newsletter even more customized by personalizing it and including the age of the child. A comparison of the click rate and the email marketing revenue of the category-based newsletter showed a clear result.