Growth

Reinvent retargeting in ecommerce with zero-party data and direct mail

Reinventing retargeting in e-commerce: how combining zero-party data with direct mail is changing the way brands reconnect with their audience.

22/4/2026
Retargeting in ecommerce: zero-party data and direct mail

Retargeting is an essential tool in the e-commerce world, but it has recently faced significant challenges. Changes in privacy and new regulations have complicated connecting with those customers interested in your brand. But what if we told you that there's a powerful and cost-efficient retargeting strategy that many brands haven't discovered yet? The combination of direct data (or zero-party data) and sending physical email is a tactic that can increase conversions dramatically. This data makes it possible to customize campaigns to make them more relevant and attractive. Physical email is a tangible expression of your brand that avoids spam filters, privacy settings, and cluttered inboxes.

What is Zero-Party Data?
You know third-party data and first-hand data, but zero-party data is different. It comes directly from customers, sharing specific, voluntary information with you, such as their favorite colors or special dates. This information allows you to better understand your customers and take personalization to another level, creating campaigns that truly connect and building lasting relationships.

Why is Zero-Party Data so powerful?
Zero-party data is powerful for several reasons: it comes directly from the customer, it's affordable, reliable, low-risk, and totally yours. You can easily start collecting it by customizing the registration experience in your online store.

And why Physical Mail?
While emails are useful, they have limitations. People ignore them, delete them, or unsubscribe. Instead, physical email, like postcards, is a direct way to reach your customers without spam filters. In addition, people enjoy receiving something tangible; they keep it, look at it and place it in visible places in their homes.

Ideas for Zero-Party Data + Physical Mail Campaigns
It's not just about collecting data, it's about using it strategically. Here are some ideas:

- Birthday Greetings: Send a special greeting on your customers' birthdays with discounts or gifts.

- Pet Connections: Include pets in your campaigns. A birthday greeting for the furry of the house may be a gift that the owners will appreciate.

- Gift Recommendations: It makes it easy to choose gifts for special days with personalized campaigns.

- Product Launches: Use the information you have to advertise products that really interest your customers.

How to Get Started? These ideas are just the beginning. There are endless possibilities for combining data and physical email to grow in e-commerce. If you're worried you don't have enough time or resources, at Posthero, we're ready to help you launch your first campaign. Contact us and discover how we can transform your retargeting strategies.

Envía mailing postal con el mismo esfuerzo que un email con Posthero.
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