From the website:

We are a leading Internet-based social expression and personal publishing service that enables consumers to share, print and preserve their memories by leveraging our technology-based platform and manufacturing processes. Today, our primary focus is on helping consumers manage their memories through the powerful medium of photos. We provide a full range of products and services that make it easy, convenient and fun for consumers to upload, edit, enhance, organize, find, share, create, print and preserve their digital photos in a creative and thoughtful manner.