FARGO - Tuesday night, Facebook around NDSU blew up with warnings for people to watch out for a sign, promising students work if they called their number.

"I was just scrolling through Facebook and I saw a bunch of my friends were sharing this post," said NDSU Senior Alex Dahlquist.

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The post claims the sign isn't actually a business looking for student employees, but rather recruiting people for sex trafficking.

"I've heard that they're scary and not to contact whoever they are and take them down and throw them away," said NDSU Junior Heather Vikre.

That might explain why WDAY News wasn't able to find any signs around campus.

The post had people convinced that this was actually sex trafficking, so WDAY News dug into the claims. NDSU senior, Alexa Dahlquist was also skeptical.

"I looked up the phone number to see if I could trace back to where it came from," Dahlquist said.

With a simple Google search, we found out that number and company on the sign has nothing to do with sex trafficking.

It’s actually a multi-level marketing company called Vector that recruits people to sell knives for Cutco.

"They should market that and maybe put their logo out there maybe give more of a description on their signs just so people can be more aware and not say hey that looks a little sketchy maybe I shouldn't contact them," said Vikre.

WDAY News made a phone call to NDSU professor of communications, Dave Westerman, who describes social media as a sort of a double-edged sword.

It's a great way to spread accurate information, but it's also easy for rumors to spread.

Especially if you learn it from someone close to you.

"I think people are so quick to believe something their friend shared or if it was on Facebook rather than on news sources sometimes," said Dahlquist.

When it comes down to it, if you see something fishy on Facebook, a good lesson, just do a little fact checking before you hit that share button.