Lastly, let them know that if they ever want to stop receiving emails from you, all they have to do unsubscribe from your email list. Email marketing only works when the people on your email list have given you permission to contact them. In fact, most email service providers require that you send all new subscribers a confirmation email (asking them to confirm they want to receive emails from you) before they will even send them your welcome email.
Based on what you learn about customers during your interactive content, send personalized purchase suggestions. Create how-to videos, product guides, and even finders to assist purchasing decisions. This is the crux of content marketing: Produce useful, personalized content that speaks to your audience and draws them into the ecommerce sales funnel. The Sales Funnel explained