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At that point not even Hollywood studios had access to such technology.
For example, after Oliver Reed died during filming of the 2000 movie Gladiator the studio had to re-write his character’s part and use existing footage of Reed to “act out” his character’s demise .
The software was developed by computer scientist Barry-John Theobald at the University of East Anglia in the UK and Iain Matthews, formerly at Carnegie Mellon University and now at Weta Digital in Wellington, New Zealand.
They were approached by psychologists at three US universities searching for a way to switch the apparent gender of volunteers talking to each other through video conference software.
They recorded video of volunteers performing 30 different facial expressions such as frowning, smiling and looking surprised.
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Facebook has launched (pictured) - a standalone site that lets people chat to their Facebook contacts, start group conversations and send photos in the same way they can on the app.
Users can still send and receive messages on Facebook and it is not known yet whether this will be removed in due course.
If the two users like each other, they can give their date a kiss and see if they return the affection.
The users can then connect through messages and continue video chatting.
Neither you or your friends have to download anything.