SIOUX FALLS, S.D. (CBS) – Social media is all about connecting people – and with the help of Facebook – two long-lost brothers have finally met.

Stewart Oaks of Sioux Falls, South Dakota has always known he had a younger brother, but it took decades for him to consider looking for him.

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His family finally convinced him to jump-start the search on Facebook. He posted a picture and within 48 hours it was shared by more than 6,000 people.

And sure enough his brother saw it.

“When I first saw it, it didn’t have his eyes, it had his mouth down, and I looked at that and thought, ‘I look at that every morning in the mirror when I get ready for work,'” said younger brother Mark Payne. “Almost our entire lives, we were probably no more than two miles apart from each other.”

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Each brother settled in Sioux Falls to raise their own families.

Their families agree that the connection between them is undeniable.