Instead of targeting end users you can target intermediates like tourist shops. Where the tourist picks a photo from his/hear camera/phone via bluetooth. Or a p

Instead of targeting end users you can target intermediates like tourist shops. Where the tourist picks a photo from his/hear camera/phone via bluetooth. Or a photo from a touch screen. So instead of buying a postcard, a stamp, writing a message, and then finding a post box, you just have to go to the service in the hotel lobby. Imagine if you are going to send five post cards, you would probably save one hour of work. And the postcards could be guaranteed to come in time due to magic (they are not actually sent from the same country. That part is faked)