Main postal service in Sweden (government owned) have run a similar service for multiple years (could not find exact number but would guess 5+ years)[0]. Lower

Main postal service in Sweden (government owned) have run a similar service for multiple years (could not find exact number but would guess 5+ years)[0]. Lower cost at 2.10 USD (18 SEK). They also have apps for the service [1]. [0] http://rv4.posten.se/#page/index/sid=1473077144846 http://rv4.posten.se/#page/index/sid=1473077144846 [1] https://itunes.apple.com/en/app/riktiga-vykort/id444458799?mt=8 https://itunes.apple.com/en/app/riktiga-vykort/id444458799?m...