Apr 4, 2021 Subscribe to our daily newsletter! Sign Up Dr Alexa Hagerty plays a game on the Emojify website, which demonstrates AI emotion recognition technology. (Cambridge University/ PA) Scientists are inviting people to pull faces at their webcam and smartphone to see in action a controversial technology called artificial intelligence emotion recognition. Researchers from Cambridge University and UCL have built a website called Emojify to help people to understand how computers can be used to scan facial expressions to detect emotion. Dr Alexa Hagerty, project lead and researcher at Cambridge’s Leverhulme Centre for the Future of Intelligence, said the technology, which is already used in parts of the world, is “powerful” but “flawed”.