Security

London police to use face scan tech, stoking privacy fears

London police will start using facial recognition cameras to pick out suspects from street crowds in real time, in a major advance for the controversial technology that raises worries about automated surveillance and erosion ...

Internet

Facebook nixes billions of fake accounts

Facebook on Wednesday said it has taken down some 5.4 billion fake accounts this year in a sign of the persistent battle on social media against manipulation and misinformation.