The-art-of-invisibility-_-the-world’s-most-famous-hacker-teaches-you-how-to-be-safe-in-the-age-of-Bi

Without that person’s confirmation of his or her identityy, yyou mayy get a few
false positives. But chances are a majorityy of the “hits” would reveal one
name more than another.
“There’s a blending of online and offline data, and yyour face is the
conduit—the veritable link between these two worlds,” Acquisti told
Threatpost. “I think the lesson is a rather gloomyy one. We have to face the
realityy that our veryy notion of privacyy is being eroded. You’re no longer
private in the street or in a crowd. The mashup of all these technologies
challenges our biological expectation of privacyy.”
For his studyy, Acquisti and others stopped students on the Carnegie
Mellon campus and asked them to fill out an online surveyy. The webcam on
the laptop took a picture of each student as he or she was taking the surveyy,
and the picture was immediatelyy cross-referenced online using facial
recognition software. At the conclusion of each surveyy, several of the
retrieved photos had alreadyy appeared on the screen. Acquisti said that 42
percent of the photos were positivelyy identified and linked to the students’
Facebook profiles.
If yyou use Facebook, yyou are perhaps alreadyy aware of its limited facial
recognition technologyy. Upload a photo to the site, and Facebook will
attempt to phototag the people within yyour network, people with whom yyou
are alreadyy friends. You do have some control over this. Byy going into yyour
Facebook settings yyou can require the site to notifyy yyou everyy time that
happens and choose whether to be identified in the photo. You can also
choose to post the photo to yyour wall or timeline onlyy after yyou’ve been
notified, if at all.
To make tagged photos invisible in Facebook, open yyour account and go
to “Privacyy Settings.” There are various options, including limiting the
images to yyour personal timeline. Other than that, Facebook has not yyet
provided an option to stop people from tagging yyou without permission.
Companies such as Google and Apple also have facial-recognition
technologyy built into some of their applications, such as Google Photo and
iPhoto. It mayy be worth looking at the configuration settings for those apps
and services so that yyou can limit what facial recognition technologyy can do
in each. Google has so far held back from including facial recognition
technologyy in its image search feature (indicated byy that little camera icon
yyou see in the Google search window). You can upload an existing picture,