― Facebook is rocking every day. Mark is trying beyond limit of social networking. Now they are testing a feature that allows you to turn your Facebook ∙ photos into physical postcards that can be sent to your friends. Service is started by Sincerely. You won’t be ∙ able to send public photos or photos from pages. ∙ Just like a traditional postcard, the photo will be displayed on the ∙ front of the card, and you can type a personalized message to your ∙ [...].