
millions of human-edited tags to provide a starting point for such a
quest. While Google is unlikely to violate its users’ trust by raiding
Facebook or MySpace for image tags, it would take only one less eth-
ical site to start a trend.
If facial recognition were to become more common, the impacts
on online reputation would be obvious. Right now, it is hard to find
many images of individuals. They may appear in many online pho-
tos, but if the photos are not captioned (many pictures aren’t) then
the subjects are effectively invisible to a search. If facial recognition
becomes more popular, a simple search for somebody’s name will re-
veal tens (or hundr ...