Vienna Zoo is using bar codes sent to mobile phones for admission, so upselling of activities for future days should definintely be incorporated into the geo-gaming experience.

Vienna Zoo正利用发到手机上的二维码进行身份验证，因此，这种将在未来大行其道的增值销售活动的确要整合到地理位置游戏的用户体验中。

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Customers are connecting through brick-and-mortar stores, social media, e-commerce, blogs, Twitter, mobile apps, mobile bar-codes and even geo-location services that offer personalization and immediacy.

FORBES: The New Art And Science Of Great Customer Experience