Smugmug is an image hosting service which allows you to backup photos and videos online. SmugMug was founded by father-son duo Chris and Don MacAskill in 2002. You can comment on your photos & videos. When someone leaves a comment on your photos & videos, you will get an email notification from Smugmug. You can manage settings on comments, enable or disable comments and moderate comments. SmugMug has functionality to display geotagged photos on interactive maps. You can create custom greeting cards and allow family and friends to order photo card from your site.