Share the postcard you've just created with your friends! Once you've logged in
by clicking the button above, you'll be asked to authenticate using your choice
of identity provider (currently, Google, Windows Live, and Yahoo are supported).
Future updates will add support for Facebook, Twitter, and other OpenID providers.
Once you've authenticated, review and modify your profile details in the bottom
area to complete your postcard. Then, choose one of the sharing methods listed below
to send out your new postcard!