From New York Times, I'm Michael Barrow. This is Adelene.

Today, with little warning or regulation, more and more companies have begun using facial recognition technology on their customers.

They say as a security measure. So what happens when it's actually being used to punish a company's enemies?

My colleague, Kashmir Hill, tried to find out.

It's Wednesday, January 18th.

So, Kashmir, tell me about this reporting that you have been doing really in our own backyard, just a few blocks south of where you're now sitting in Midtown Manhattan.

So last month, I was talking to Nicolette Landy. She's 29. She lives in New Jersey.

She loves going to live shows, particularly at Madison Square Garden, this iconic arena here in New York City.

She went to six shows in October alone.

That is a real commitment.

She likes going out.

And her boyfriend had gotten her tickets to see Mariah Carey, who has this kind of legendary Christmas show that she does every year.

The one and only.

All they wanted for Christmas was Mariah Carey.

Well done.

And so they bundle up. They head to Madison Square Garden. There's a lot of security that you kind of go through to get into a show.

So they're walking through the metal detectors and Nicolette gets pulled aside and a security guard asked to see her ID.

She's never a good sign.

She hasn't presented her ticket chain or anything. She doesn't really know why she's been pulled aside.

But she gets her ID, shows it to them.

And this confirms her name.

And her name is on a watch list at Madison Square Garden.

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