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As we mentioned in the Sochi live blog, following Dario Cologna's gold medal win in the 30-kilometer skiathlon this morning, tennis great and fellow Olympian Roger Federer sent his fellow Swiss countryman a nod of congratulations on Twitter.

Seeing an athlete of Federer's stature acknowledge fellow athletes is always heartening. Federer also showed some love for the Dufour-Lapointe sisters, two of whom struck gold and silver respectively in the ladies' moguls yesterday. 

Some of the Federer-themed Twitter accounts were happy about that.

But one response to Federer's tweet about Cologna was too incredible to go unmentioned.

In case you were curious:

 

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