I failed to mention in my first post that I am also recently engaged. I will try to avoid having too many wedding-related posts, but because this product is so cool, I think all should know about it regardless of your marital status. The
Appy Couple lets you design an app (iPhone or Android) for your wedding complete with a countdown, about us pages and the guest list with RSVP status. Guests can access your app for day of details (weather, directions, etc.) and leave toasts for the couple. It also uses the camera function of your phone to allow guests to take pictures at your event and live upload them to the app for all to share.
My sheer excitement for the existence of this service stems from the fact that I
always forget wedding invitations on the day of the event and am left scrambling.