An email-based service to mail your photos as postcards. As a parent of littles: the littles love the postcards, and the grandparents love them too. I know you

An email-based service to mail your photos as postcards. As a parent of littles: the littles love the postcards, and the grandparents love them too. I know you can print photos at Walgreens etc, but I never do it because it has some friction: email-based reduces almost all of the friction in my use case.