There are more than 7 billion people on earth, surely a doppelganger exists for everyone and surely, in 2011 Sophie Robehmed, a journalist found someone who looked exactly like her, finding her double through word of mouth. This idea was what inspired three friends in Ireland to set a bet on who can find the best look-a-like on social media.   

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The project, "Twin Strangers" was conceived.  It then became a friendly competition among the three friends--- Niamh Geaney, Terence Manzanga and Harry English, all in their mid-20s, to test the expression: "there are 7 people in the world who look exactly like you."   The website, twinstrangers.com and a Facebook page called, "Twin Strangers" were then set up.

The contest among the friends began on March 30.  From their Facebook page, they started receiving submissions from potential look-a-likes from all over the world. Two weeks later, one of them, Niamh Geaney, 26, found a close match. 

On Tuesday, Geaney posted a video online that shows her meeting Karen Branigan, another Irish woman who looked shockingly similar to her and who happens to live just about 30 miles away.

In the video, Geaney says that it was "really weird" meeting someone looking just like her and says that Branigan looked more closely to her than her sisters did.

The other two friends, Harry English and Terence Manzanga are also betting that they too will find their own look-alikes. English told NBC News that he hopes Geaney's video will encourage other people to find their doubles too by getting involved in their project.

When asked how it feels like to meet someone who looks just like you? Geaney says, it felt really freaky and "truly amazing."

The two friends still seeking their double hopes that the project will take them to places such as New York, Paris, or the Caribbean -- "somewhere far away to meet their twins."

The response to the project has been great since the YouTube video, now has more than one million views in one day and their campaign is also taking off in the group's Facebook page which shot up to 23,000 page likes in just two days. The founders have already created an album in the page where people can search for their own doubles.

TagsTwin Stranger, You Tube, doppelganger, double, look-a-like