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Marco Polo, an application for staying in touch with loved ones.
How to Use Marco Polo - Video Chat App
The basics of using the Marco Polo app
Marco Polo App Video - Video Messaging Tutorial
Why I Love Marco Polo App and How to Use It
Marco Polo-Video Walkie Talkie App Review
Marco Polo Walkie Talkie Video Messaging App Review for iPhone & Android.
Marco Polo App Privacy Settings 2017