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Friends for 46 Years? No, It’s a Facebook Glitch

A Facebook glitch is causing some users to discover long-lasting friendships. The problem? It's congratulating people for being friends for the past 46 years, even if the user hasn't been alive for that long.

No, Facebook isn't trying to prank people. The most prevalent theory is that the glitch is related to "epoch time" or "Unix time." Basically, the Unix operating system (which serves as the core of Apple OS X) keeps time by counting the seconds since midnight GMT on Jan. 1, 1970, known as the Unix epoch.

Facebook could for some reason be placing the beginning of friendships at the Unix epoch, which, accounting for the time zone difference, would be Dec. 31, 1969. That is 46 years ago from Thursday, New Year's Eve.

Facebook hasn't confirmed that theory. But a company spokesperson did tell NBC News, "We've identified this bug and the team's fixing it now so everyone can ring in 2016 feeling young again."