Is the 10-year challenge a boon to Facebook’s facial recognition tech?


“Me 10 years ago: probably would have played along with the profile picture aging meme going around on Facebook and Instagram,” she wrote in a tweet last week. “Me now: ponders how all this data could be mined to train facial recognition algorithms on age progression and age recognition.”

Her words hit a nerve.

People responded with concerns about whether they were helping the tech giant get better at identifying people. O’Neill’s post got more than 10,000 retweets and more than 20,000 likes. She expanded on her thoughts in a widely shared article in Wired.

“I wondered about why this particular thought, in this particular moment, generated so much traction,” O’Neill said, adding that she was not trying to stoke any panic.

Experts said the photos uploaded for the 10-year challenge were drops in a very, very big bucket of data that Facebook has been collecting for years.

“We have an awful lot of data that we’re sharing all the time, and companies are collecting it and using it in various ways,” O’Neill said.

Supporters of facial recognition technologies said they can be indispensable for catching criminals or finding missing people. But critics warned they can enable mass surveillance or have unintended effects that we can’t yet fully fathom.

Lauren A. Rhue, an assistant professor of information systems and analytics at the Wake Forest School of Business, said the challenge could conceivably provide a relatively clean data set for a company that wanted to work on age-progression technology.

But she added that Facebook already has billions of photographs on its platform, and people should be wary of any company being in possession of such a large trove of biometric data.

“The risk in giving up any type of biometric data to a company is that there’s not enough transparency, not only about how the data is currently being used, but also the future uses for it,” she said, pointing to another form of biometric data, DNA, which is increasingly being used by law enforcement to track down suspects; something many people might not have anticipated when they volunteered saliva in exchange for help tracing their ancestral roots.

“There are things we don’t think of as being threats,” Rhue said. “And then five or 10 years from now, we realise that there is a threat, but the data has already been given.”

Like the rest of us, Facebook looked different 10 years ago. In 2009, the “Like” button was introduced, and the site unveiled a new homepage to make it easier for people to see their friends’ posts in real time. Facebook also reached 360 million active users in 2009; now it has more than 2 billion.

Facebook announced it was using facial recognition technology in 2010. When people upload photos of their friends, Facebook can use the technology to suggest the names of people in the picture. It can also alert users if they are in a photo posted by a friend.

Facebook has responded to concerns about photos and privacy in the past. The company said it does not intend to help strangers identify you, and has repeatedly pointed out that users can disable face recognition in their personal settings.

As for the 10-year challenge, Facebook said it’s just a fun trend.

“The 10-year challenge is a user-generated meme that started on its own, without our involvement,” the company said on Twitter.

O’Neill said she was glad that the meme — and her tweet — started such a broad conversation about facial recognition and privacy.

“There’s a lot of opportunities for technology to do wonderful things for humanity,” she added. “But I think we need to recognise the potential downsides of it.”

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