this is what the postcard looks like: http://photos-b.ak.instagram.com/hphotos-ak-xpf1/10471825_529086260554113_2093172304_a.jpg http://photos-b.ak.instagram.co

this is what the postcard looks like: http://photos-b.ak.instagram.com/hphotos-ak-xpf1/10471825_529086260554113_2093172304_a.jpg http://photos-b.ak.instagram.com/hphotos-ak-xpf1/10471825_52... I emailed support and this is what they responded: It's a riff on the Yo app, except instead of sending "Yo" in a push notification to a friend, you can send a postcard! It looks like this in real life: http://photos-b.ak.instagram.com/hphotos-ak-xpf1/10471825_529086260554113_2093172304_a.jpg http://photos-b.ak.instagram.com/hphotos-ak-xpf1/10471825_52...