Worries about facial recognition

The phrase 'artificial intelligence' is a wide umbrella. There are lots of technologies that can be described as part of it and one gaining notoriety in recent weeks is facial recognition. Activist groups and some artists are calling for bans on its use at concerts and festivals.

CNET privacy expert Dan Patterson tells CBS facial recognition offers convenience at a privacy price.

"It doesn't just associate your image with a ticket; it associates your image with all kinds of other data that marketers use to track you across the web."

Patterson says it can be used to track you when you're not expecting it.

"In China facial recognition data, in addition to at concerts and other events, has been used to identify individuals and then track them at events like, say, protests in Hong Kong."

It isn't perfect, either. There are several examples of facial recognition identifying the wrong suspect.

But Patterson says even though he's aware of the issues, sometimes convenience wins out.

"I happily give my data over to CLEAR, so I don't have to wait in line at the airport. So, it's always a balance between privacy and convenience."

The "CLEAR" program uses biometrics for ID at airports and stadiums.

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