Even Justin Timberlake had something to say about it, tweeting #momentumshift.
There may be something to it.
After the power was restored, the 49ers scored three times in just four minutes.
Then again, maybe not.
"Whatever. Who hasn't blacked out in New Orleans," one person said on Twitter.
Or in San Francisco, for that matter.
In December 2011, the lights went out twice during the same game at Candlestick Park. The 49ers won that game against the Pittsburgh Steelers, 20-3.
Blame it on Bane
Some said it was the curse of the Superdome -- despite hosting seven Super Bowl games and its more than $300 million renovation following Hurricane Katrina. The stadium was built near a cemetery and New Orleans Saints fans have long said it was the reason the team had fared so poorly.
Some on Twitter and Facebook joked Saints quarterback Drew Brees was responsible, pulling the power plug to get even for the team failing to make football's big show.
Then there were those who pointed to Bane, the villain in the Batman movie "The Dark Night Rises."
In the movie, Bane mines a football field in Pittsburgh that explodes after a great scoring run by Steeler Hines Ward.
"Investigation confirms not even Bane's power outage attempt can save the 49ers," said one Twitter user with the handle The Batman.
The general consensus on social media appeared to be that Beyonce's high-wattage half-time performance was mostly likely to blame for the blackout.
"Beyonce blew the fuse! Genius!" tweeted singer Adam Lambert.
Matchbox Twenty guitarist Paul Doucette, who was at the game, tweeted a picture of the blackout.
"Beyonce left and apparently took electricity with her," he said. "Damn she's good."
In the end, the Ravens may have won Superbowl XLVII in New Orleans. But the power outage won its social media time slot.