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A24    TECHNOLOGY
                    Friday 10 January 2020

            Facebook bans deepfakes in fight against online manipulation



            LONDON (AP) — Facebook                                                                                              the forgeries will get better
            says  it  is  banning  "deep-                                                                                       alongside the detection."
            fake"  videos,  the  false  but                                                                                     Facebook said any videos,
            realistic  clips  created  with                                                                                     deepfake  or  not,  will  also
            artificial  intelligence  and                                                                                       be removed if they violate
            sophisticated  tools,  as  it                                                                                       existing  standards  for  nu-
            steps  up  efforts  to  fight                                                                                       dity,  graphic  violence  or
            online  manipulation.  But                                                                                          hate  speech.  Those  that
            the policy leaves plenty of                                                                                         aren't removed can still be
            loopholes.                                                                                                          reviewed  by  independent
            The social network said late                                                                                        third-party   fact-checkers
            Monday that it's beefing up                                                                                         and any deemed false will
            its policies for removing vid-                                                                                      be flagged as such to peo-
            eos  edited  or  synthesized                                                                                        ple  trying  to  share  or  view
            in  ways  that  aren't  appar-                                                                                      them,  which  Bickert  said
            ent to the average person,                                                                                          was  a  better  approach
            and  which  could  dupe                                                                                             than just taking them down.
            someone  into  thinking  the                                                                                        "If  we  simply  removed
            video's  subject  said  some-                                                                                       all   manipulated   videos
            thing he or she didn't actu-                                                                                        flagged  by  fact-checkers
            ally say.                                                                                                           as  false,  the  videos  would
            Created  by  artificial  intel-                                                                                     still be available elsewhere
            ligence  or  machine  learn-                                                                                        on  the  internet  or  social
            ing, deepfakes combine or                                                                                           media  ecosystem,"  Bickert
            replace content to create                                                                                           said.  "By  leaving  them  up
            images that can be almost    This March 29, 2018 file photo, shows the logo for social media giant Facebook at the Nasdaq   and labeling them as false,
            impossible  to  tell  are  not  MarketSite in New York's Times Square.                                              we're  providing  people
            authentic.                                                                                         Associated Press  with  important  information
            "While these videos are still                                                                                       and context."
            rare  on  the  internet,  they  and fending off allegations  tion of the world. Facebook  made the rounds last week  Twitter, which has been an-
            present  a  significant  chal-  of censorship.            also left that clip online. The  of Democratic presidential  other  hotbed  for  misinfor-
            lenge  for  our  industry  and  The U.S. tech company has  company  said  at  the  time  candidate  Joe  Biden  that  mation and altered videos,
            society as their use increas-  been  grappling  with  how  that neither video violated  was  selectively  edited  to  said  it's  in  the  process  of
            es,"  Facebook's  vice  presi-  to handle the rise of deep-  its policies.             make  it  appear  he  made  creating  a  policy  for  "syn-
            dent of global policy man-   fakes  after  facing  criticism  The problem of altered vid-  racist remarks.          thetic  and  manipulated
            agement,  Monika  Bickert,  last  year  for refusing to re-  eos is taking on increasing  Gregory, whose group was  media,"  which  would  in-
            said in a blog post.         move  a  doctored  video  urgency  as  experts  and  among  those  that  gave  clude deepfakes and other
            However, she said the new  of  House  Speaker  Nancy  lawmakers try to figure out  feedback to Facebook for  doctored videos. The com-
            rules  won't  include  parody  Pelosi  slurring  her  words,  how to prevent deepfakes  the  policy,  said  that  while  pany  has  asked  for  public
            or  satire,  or  clips  edited  which  was  viewed  more  from  being  used  to  inter-  the new rules look strong on  feedback on the issue. The
            just to change the order of  than 3 million times. Experts  fere with the U.S. presiden-  paper, there are questions  responses  it's  considering
            words.  The  exceptions  un-  said the crudely edited clip  tial election in November.   around  how  effective  the  include  putting  a  notice
            derscore the balancing act  was more of a "cheap fake"  The new policy is a "strong  company will be at uncov-      next to tweets that include
            Facebook and other social  than a deepfake.               starting  point,"  but  doesn't  ering synthetic videos.   manipulated  material.  The
            media services face in their  Then, a pair of artists post-  address broader problems,  Facebook  has  built  deep-  tweets  might  also  be  re-
            struggle to stop the spread  ed fake footage  of Face-    said  Sam  Gregory,  pro-    fake-detecting  algorithms  moved if they're misleading
            of  online  misinformation  book  CEO  Mark  Zucker-      gram director at Witness, a  and can also look at an ac-  and  could  cause  serious
            and "fake news," while also  berg showing him gloating  nonprofit  working  on  using  count's behavior to get an  harm to someone.
            respecting  free  speech  over his one-man domina-        video  technology  for  hu-  idea  of  whether  it's  inten-  YouTube, meanwhile, has a
                                                                      man rights.                  tion is to spread disinforma-  policy  against  "deceptive
                                                                      "The  reality  is  there  aren't  tion. That will give the com-  practices"  that  the  com-
                                                                      that  many  political  deep-  pany an edge over users or  pany says includes the "de-
                                                                      fakes  at  the  moment,"  he  journalists  in  sniffing  them  ceptive uses of manipulat-
                                                                      said.  "They're  mainly  non-  out, Gregory said.         ed  media"  that  may  pose
                                                                      consensual sexual images."   But    those    algorithms  serious  risk  of  harm.  For  in-
                                                                      The  bigger  problem  is  vid-  haven't  been  used  widely  stance,  the  company  re-
                                                                      eos  that  are  either  shown  for  deepfakes  in  the  wild.  moved the Pelosi video last
                                                                      without  context  or  lightly  "So  it  is  an  open  question  year.  Google,  which  owns
                                                                      edited,  which  some  have  how  effective  detection  YouTube,  is  also  research-
                                                                      dubbed  "shallow  fakes,"  will be," he said. "This is an  ing  how  to  better  detect
                                                                      Gregory said. These include  algorithmic  kind  of  game  deepfakes  and  other  ma-
                                                                      the  Pelosi  clip  or  one  that  of  cat  and  mouse,  where  nipulated media.q
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