A new software which can identify unnamed faces and then collate photographs of that individual on the net will go public soon. The software works by scanning a person's configuration of eyes, nose and mouth and claims to be 90 percent accurate. It can then comb the net for more photographs of the same person and, in tests, locate untagged picture which had not previously been seen by some of the people in them, reports the Telegraph.

The managers of Face.com, which created the software, told the Sunday Times that 5,000 developers were already using it. Gil Hirsch, the chief executive officer, said: “You can basically search for people in any photo. You could search for family members on Flickr, in newspapers, or in videos on YouTube.” Such software has previously been the preserve of official bodies such as the UK Border Agency or inside social networking platforms.

Supporters of the software said it could help families unlock their history or trace those lost in humanitarian disasters. The Information Commissioner's Office said there were no legal restrictions on the use of facial recognition software.

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